Anagram of two thousand and eleven

“aaddeeehlnnnoosttuvw” is an anagram of ‘two thousand and eleven’. But it is also an anagram of a smaller number. What is that number?

Problem Page Coordinator: Stephen Lee CMath MIMA – Mathematics in Education and Industry

Acknowledgement: The IMA are indebted to MEI for sourcing and supplying Mathematics Today with these well-known puzzles.

First published in Mathematics Today (December 2014)