102200111112 has 32 divisors (see below), whose sum is σ = 278727576480. Its totient is φ = 30969730560.

The previous prime is 102200111023. The next prime is 102200111113. The reversal of 102200111112 is 211111002201.

It is a super-2 number, since 2×102200111112² (a number of 23 digits) contains 22 as substring.

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

It is not an unprimeable number, because it can be changed into a prime (102200111113) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 193560553 + ... + 193561080.

It is an arithmetic number, because the mean of its divisors is an integer number (8710236765).

Almost surely, 2^102200111112 is an apocalyptic number.

102200111112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

102200111112 is an abundant number, since it is smaller than the sum of its proper divisors (176527465368).

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

102200111112 is a wasteful number, since it uses less digits than its factorization.

102200111112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 387121653 (or 387121649 counting only the distinct ones).

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

Adding to 102200111112 its reverse (211111002201), we get a palindrome (313311113313).

It can be divided in two parts, 102200 and 111112, that added together give a palindrome (213312).

The spelling of 102200111112 in words is "one hundred two billion, two hundred million, one hundred eleven thousand, one hundred twelve".