Who knows one hundred twenty-one?
Please cite/link your sources, if possible. At some point at least twenty-four hours from now, I will:
Upvote all interesting answers.
Accept the best answer.
Go on to the next number.
Yaakov was 121 years old when the events of "miketz shnasayim yamim" happened (130 when he arrived minus 2 years of famine and 7 years of sava)
121 are the dapim in Y'vamos. 121 is also the number of the last daf in P'sachim.
Parshas Veira has 121 Pesukim