well rave on, it's a crazy feelin' and I know, it's got me reelin'

101
 (one hundred [and] one) is the natural number following 100 and preceding 102.
It is variously pronounced "one hundred and one" / "a hundred and one", "one hundred one" / "a hundred one", and "one oh one". As an ordinal number, 101st (one hundred first) rather than 101th is the correct form.