2021210031102 has 16 divisors (see below), whose sum is σ = 4043227153680. Its totient is φ = 673602161792.

The previous prime is 2021210031031. The next prime is 2021210031131. The reversal of 2021210031102 is 2011300121202.

It is a congruent number.

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, 33596253 + ... + 33656360.

It is an arithmetic number, because the mean of its divisors is an integer number (252701697105).

Almost surely, 2^{2021210031102} is an apocalyptic number.

2021210031102 is an abundant number, since it is smaller than the sum of its proper divisors (2022017122578).

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

2021210031102 is a wasteful number, since it uses less digits than its factorization.

2021210031102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67257627.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 2021210031102 its reverse (2011300121202), we get a palindrome (4032510152304).

The spelling of 2021210031102 in words is "two trillion, twenty-one billion, two hundred ten million, thirty-one thousand, one hundred two".