102112221120102 has 24 divisors (see below), whose sum is σ = 221253301433736. Its totient is φ = 34035844628736.

The previous prime is 102112221120073. The next prime is 102112221120127. The reversal of 102112221120102 is 201021122211201.

102112221120102 is a `hidden beast` number, since 10 + 211 + 2 + 221 + 120 + 102 = 666.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 129797883 + ... + 130582214.

It is an arithmetic number, because the mean of its divisors is an integer number (9218887559739).

Almost surely, 2^{102112221120102} is an apocalyptic number.

102112221120102 is an abundant number, since it is smaller than the sum of its proper divisors (119141080313634).

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

102112221120102 is a wasteful number, since it uses less digits than its factorization.

102112221120102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 260401892 (or 260401889 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 102112221120102 its reverse (201021122211201), we get a palindrome (303133343331303).

The spelling of 102112221120102 in words is "one hundred two trillion, one hundred twelve billion, two hundred twenty-one million, one hundred twenty thousand, one hundred two".