202021120111002 has 64 divisors (see below), whose sum is σ = 428533422480000. Its totient is φ = 63313015799808.

The previous prime is 202021120110973. The next prime is 202021120111039. The reversal of 202021120111002 is 200111021120202.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14427274 + ... + 24742442.

It is an arithmetic number, because the mean of its divisors is an integer number (6695834726250).

Almost surely, 2^{202021120111002} is an apocalyptic number.

202021120111002 is an abundant number, since it is smaller than the sum of its proper divisors (226512302368998).

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

202021120111002 is a wasteful number, since it uses less digits than its factorization.

202021120111002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10316495.

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

Adding to 202021120111002 its reverse (200111021120202), we get a palindrome (402132141231204).

The spelling of 202021120111002 in words is "two hundred two trillion, twenty-one billion, one hundred twenty million, one hundred eleven thousand, two".