102220202112112 has 80 divisors (see below), whose sum is σ = 228489525234432. Its totient is φ = 43394759815680.

The previous prime is 102220202112103. The next prime is 102220202112163. The reversal of 102220202112112 is 211211202022201.

It is a self number, because there is not a number n which added to its sum of digits gives 102220202112112.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1657188 + ... + 14393980.

Almost surely, 2^{102220202112112} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 102220202112112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (114244762617216).

102220202112112 is an abundant number, since it is smaller than the sum of its proper divisors (126269323122320).

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

102220202112112 is a wasteful number, since it uses less digits than its factorization.

102220202112112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12737486 (or 12737480 counting only the distinct ones).

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

Adding to 102220202112112 its reverse (211211202022201), we get a palindrome (313431404134313).

The spelling of 102220202112112 in words is "one hundred two trillion, two hundred twenty billion, two hundred two million, one hundred twelve thousand, one hundred twelve".