2011

Two thousand eleven or twenty-eleven.

In BE, two thousand and eleven or twenty-eleven.

My post has disappeared from this thread!

Would you like to repost it?

I suppose it's superfluous now Rover, but for what it's worth, here's what I'd posted earlier:

In BrE: Two thousand and eleven.

You can read in both ways. Both are right

Three ways have been given, Emely.

They are all right — but not everyone would commonly use all three.

Rover_KE not everyone would commonly use all three.

Interestingly, I always pause when with my students before using one or the other of mine (above). It depends on the student level.

which one do you mostly use?

Probably 'twenty eleven'.