102112212221022 has 32 divisors (see below), whose sum is σ = 214174620403200. Its totient is φ = 32393911318560.

The previous prime is 102112212220973. The next prime is 102112212221051. The reversal of 102112212221022 is 220122212211201.

It is a self number, because there is not a number n which added to its sum of digits gives 102112212221022.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1859127229 + ... + 1859182152.

It is an arithmetic number, because the mean of its divisors is an integer number (6692956887600).

Almost surely, 2^{102112212221022} is an apocalyptic number.

102112212221022 is an abundant number, since it is smaller than the sum of its proper divisors (112062408182178).

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

102112212221022 is a wasteful number, since it uses less digits than its factorization.

102112212221022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3718309608.

The product of its (nonzero) digits is 256, while the sum is 21.

Adding to 102112212221022 its reverse (220122212211201), we get a palindrome (322234424432223).

The spelling of 102112212221022 in words is "one hundred two trillion, one hundred twelve billion, two hundred twelve million, two hundred twenty-one thousand, twenty-two".