The newer Toyota 3.5 V6 engines have a timing chain rather than a timing belt, this gives you the edge on upkeep cost as the chain should last the life of more than two timing belts.
It has a timing belt.
That would depend on many things. The year of your Toyota Camry, engine size, and how you drive.
The 2007 Toyota Camry has front wheel drive.
The 2003 Toyota Camry has front wheel drive.
The 2005 Toyota Camry has front wheel drive.
The 2006 Toyota Camry has front wheel drive.
The 2001 Toyota Camry has front wheel drive.
The 2012 Toyota Camry has front wheel drive.
The 2014 Toyota Camry has front wheel drive.
The 2010 Toyota Camry has front wheel drive.
The 2008 Toyota Camry has front wheel drive.
The 2004 Toyota Camry has front wheel drive.