102112201220202 has 64 divisors (see below), whose sum is σ = 227869656019200. Its totient is φ = 33894507870720.

The previous prime is 102112201220149. The next prime is 102112201220297. The reversal of 102112201220202 is 202022102211201.

It is a happy number.

102112201220202 is a `hidden beast` number, since 1 + 0 + 21 + 1 + 220 + 1 + 220 + 202 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 21498018 + ... + 25814514.

It is an arithmetic number, because the mean of its divisors is an integer number (3560463375300).

Almost surely, 2^{102112201220202} is an apocalyptic number.

102112201220202 is an abundant number, since it is smaller than the sum of its proper divisors (125757454798998).

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

102112201220202 is a wasteful number, since it uses less digits than its factorization.

102112201220202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4318348 (or 4318342 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 102112201220202 its reverse (202022102211201), we get a palindrome (304134303431403).

Subtracting 102112201220202 from its reverse (202022102211201), we obtain a palindrome (99909900990999).

The spelling of 102112201220202 in words is "one hundred two trillion, one hundred twelve billion, two hundred one million, two hundred twenty thousand, two hundred two".