102220211220112 has 40 divisors (see below), whose sum is σ = 208477100044160. Its totient is φ = 48419712351360.

The previous prime is 102220211220107. The next prime is 102220211220151. The reversal of 102220211220112 is 211022112022201.

It is a super-2 number, since 2×102220211220112² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a self number, because there is not a number n which added to its sum of digits gives 102220211220112.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38632537 + ... + 41193607.

It is an arithmetic number, because the mean of its divisors is an integer number (5211927501104).

Almost surely, 2^{102220211220112} is an apocalyptic number.

It is an amenable number.

102220211220112 is an abundant number, since it is smaller than the sum of its proper divisors (106256888824048).

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

102220211220112 is a wasteful number, since it uses less digits than its factorization.

102220211220112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2692391 (or 2692385 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 102220211220112 its reverse (211022112022201), we get a palindrome (313242323242313).

The spelling of 102220211220112 in words is "one hundred two trillion, two hundred twenty billion, two hundred eleven million, two hundred twenty thousand, one hundred twelve".