two thousand and eleven
Two thousand eleven.
four hundred sixty-one thousandths
I would write is as: one, point, one zero seven.
In words, the answer is one lakh twenty five thousand, exactly as in the question!
One hundred one.
One thousand, one.
One billion.
One One Millionth
You can write one hundred twelve thousand.
It could be four January twenty eleven in most of the world, or one April twenty eleven in the US.
one quarter
One billion.