11-11-11 - 2011 was released on:
Argentina: 1 November 2011 (Buenos Aires) (premiere)
Argentina: 3 November 2011
Israel: 10 November 2011
Netherlands: 10 November 2011
Russia: 10 November 2011
Ukraine: 10 November 2011
Brazil: 11 November 2011
Estonia: 11 November 2011
Singapore: 11 November 2011
USA: 11 November 2011 (limited)
Mexico: 9 December 2011
Chile: 16 February 2012
Philippines: 22 February 2012
Germany: 23 March 2012 (DVD premiere) (Blu-ray premiere)
UK: 6 April 2012
Sweden: 13 June 2012 (DVD premiere)
Hungary: 11 December 2012 (DVD premiere)
Japan: 22 February 2013 (DVD premiere)
the answer is 12345654321
Any multiple of 111111.
1st Dates - 2011 was released on: USA: 21 October 2011 (DVD premiere)
No Second Dates - 2011 TV was released on: USA: 24 August 2011
Decimal(111111) = Binary(11011001000000111)
Rancor - 2011 was released on: USA: 2011
Emancipation - 2011 was released on: USA: 2011
Quirky - 2011 was released on: USA: 2011
Fitful - 2011 was released on: USA: 2011
Forgiveness - 2011 I was released on: USA: 2011
Cheryl - 2011 was released on: USA: 2011
Genau - 2011 was released on: USA: 2011