第1个回答 2011-06-08
twenty thousand one hundred and twenty one
第2个回答 2011-06-08
twenty thousand and one hundred and twenty one
第3个回答 2011-06-08
twenty thousand and one hundred twenty one
顶二楼
第4个回答 2011-06-09
有两种：twenty thousand one hundred and twenty one
two zero one two one