102002111112 has 32 divisors (see below), whose sum is σ = 278187576480. Its totient is φ = 30909730560.

The previous prime is 102002111093. The next prime is 102002111143. The reversal of 102002111112 is 211111200201.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 193185553 + ... + 193186080.

It is an arithmetic number, because the mean of its divisors is an integer number (8693361765).

Almost surely, 2^102002111112 is an apocalyptic number.

102002111112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

102002111112 is an abundant number, since it is smaller than the sum of its proper divisors (176185465368).

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

102002111112 is a wasteful number, since it uses less digits than its factorization.

102002111112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 386371653 (or 386371649 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 102002111112 its reverse (211111200201), we get a palindrome (313113311313).

The spelling of 102002111112 in words is "one hundred two billion, two million, one hundred eleven thousand, one hundred twelve".