2021122012102 has 32 divisors (see below), whose sum is σ = 3153496965120. Its totient is φ = 970659612000.

The previous prime is 2021122012067. The next prime is 2021122012103. The reversal of 2021122012102 is 2012102211202.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2021122012103) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47255227 + ... + 47297977.

It is an arithmetic number, because the mean of its divisors is an integer number (98546780160).

Almost surely, 2^{2021122012102} is an apocalyptic number.

2021122012102 is a deficient number, since it is larger than the sum of its proper divisors (1132374953018).

2021122012102 is a wasteful number, since it uses less digits than its factorization.

2021122012102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50956.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 2021122012102 its reverse (2012102211202), we get a palindrome (4033224223304).

The spelling of 2021122012102 in words is "two trillion, twenty-one billion, one hundred twenty-two million, twelve thousand, one hundred two".