121022102020002 has 16 divisors (see below), whose sum is σ = 242051850255072. Its totient is φ = 40339426304160.

The previous prime is 121022102019971. The next prime is 121022102020051. The reversal of 121022102020002 is 200020201220121.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 318386524 + ... + 318766407.

It is an arithmetic number, because the mean of its divisors is an integer number (15128240640942).

Almost surely, 2^{121022102020002} is an apocalyptic number.

121022102020002 is an abundant number, since it is smaller than the sum of its proper divisors (121029748235070).

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

121022102020002 is a wasteful number, since it uses less digits than its factorization.

121022102020002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 637184593.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 121022102020002 its reverse (200020201220121), we get a palindrome (321042303240123).

The spelling of 121022102020002 in words is "one hundred twenty-one trillion, twenty-two billion, one hundred two million, twenty thousand, two".