202100020102122 has 64 divisors (see below), whose sum is σ = 418276928160000. Its totient is φ = 65022073482240.

The previous prime is 202100020102121. The next prime is 202100020102193. The reversal of 202100020102122 is 221201020001202.

It is not an unprimeable number, because it can be changed into a prime (202100020102121) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9212735538 + ... + 9212757474.

It is an arithmetic number, because the mean of its divisors is an integer number (6535577002500).

Almost surely, 2^{202100020102122} is an apocalyptic number.

202100020102122 is an abundant number, since it is smaller than the sum of its proper divisors (216176908057878).

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

202100020102122 is a wasteful number, since it uses less digits than its factorization.

202100020102122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37151.

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

Adding to 202100020102122 its reverse (221201020001202), we get a palindrome (423301040103324).

The spelling of 202100020102122 in words is "two hundred two trillion, one hundred billion, twenty million, one hundred two thousand, one hundred twenty-two".