121002202111002 has 64 divisors (see below), whose sum is σ = 255846452256000. Its totient is φ = 38146922440704.

The previous prime is 121002202110989. The next prime is 121002202111027. The reversal of 121002202111002 is 200111202200121.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2814727 + ... + 15809082.

It is an arithmetic number, because the mean of its divisors is an integer number (3997600816500).

Almost surely, 2^{121002202111002} is an apocalyptic number.

121002202111002 is an abundant number, since it is smaller than the sum of its proper divisors (134844250144998).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

121002202111002 is an equidigital number, since it uses as much as digits as its factorization.

121002202111002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18623972 (or 18623926 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 121002202111002 its reverse (200111202200121), we get a palindrome (321113404311123).

The spelling of 121002202111002 in words is "one hundred twenty-one trillion, two billion, two hundred two million, one hundred eleven thousand, two".