It is a strong prime.
It is a cyclic number.
Almost surely, 2121210122211001 is an apocalyptic number.
It is an amenable number.
121210122211001 is an equidigital number, since it uses as much as digits as its factorization.
121210122211001 is an odious number, because the sum of its binary digits is odd.
Adding to 121210122211001 its reverse (100112221012121), we get a palindrome (221322343223122).
The spelling of 121210122211001 in words is "one hundred twenty-one trillion, two hundred ten billion, one hundred twenty-two million, two hundred eleven thousand, one".