202000021210122 has 32 divisors (see below), whose sum is σ = 415288436695872. Its totient is φ = 65455182359424.

The previous prime is 202000021210073. The next prime is 202000021210139. The reversal of 202000021210122 is 221012120000202.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 404875363 + ... + 405373974.

It is an arithmetic number, because the mean of its divisors is an integer number (12977763646746).

Almost surely, 2^{202000021210122} is an apocalyptic number.

202000021210122 is an abundant number, since it is smaller than the sum of its proper divisors (213288415485750).

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

202000021210122 is a wasteful number, since it uses less digits than its factorization.

202000021210122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 810250502.

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

Adding to 202000021210122 its reverse (221012120000202), we get a palindrome (423012141210324).

The spelling of 202000021210122 in words is "two hundred two trillion, twenty-one million, two hundred ten thousand, one hundred twenty-two".