102200111111100 has 72 divisors (see below), whose sum is σ = 295721423117568. Its totient is φ = 27251295224000.

The previous prime is 102200111111069. The next prime is 102200111111107. The reversal of 102200111111100 is 1111111002201.

It is a super-2 number, since 2×102200111111100² (a number of 29 digits) contains 22 as substring.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102200111111107) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8960676 + ... + 16872875.

It is an arithmetic number, because the mean of its divisors is an integer number (4107241987744).

Almost surely, 2^{102200111111100} is an apocalyptic number.

102200111111100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102200111111100 is an abundant number, since it is smaller than the sum of its proper divisors (193521312006468).

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

102200111111100 is a wasteful number, since it uses less digits than its factorization.

102200111111100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25846755 (or 25846748 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 12.

Adding to 102200111111100 its reverse (1111111002201), we get a palindrome (103311222113301).

The spelling of 102200111111100 in words is "one hundred two trillion, two hundred billion, one hundred eleven million, one hundred eleven thousand, one hundred".