202021012002102 has 64 divisors (see below), whose sum is σ = 410277359568384. Its totient is φ = 66302126795520.

The previous prime is 202021012002091. The next prime is 202021012002157. The reversal of 202021012002102 is 201200210120202.

It is a congruent number.

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, 12581483658 + ... + 12581499714.

It is an arithmetic number, because the mean of its divisors is an integer number (6410583743256).

Almost surely, 2^{202021012002102} is an apocalyptic number.

202021012002102 is an abundant number, since it is smaller than the sum of its proper divisors (208256347566282).

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

202021012002102 is a wasteful number, since it uses less digits than its factorization.

202021012002102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29813.

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

Adding to 202021012002102 its reverse (201200210120202), we get a palindrome (403221222122304).

The spelling of 202021012002102 in words is "two hundred two trillion, twenty-one billion, twelve million, two thousand, one hundred two".