102111022200 has 96 divisors (see below), whose sum is σ = 345320933760. Its totient is φ = 24754185600.

The previous prime is 102111022129. The next prime is 102111022229. The reversal of 102111022200 is 2220111201.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7729084 + ... + 7742283.

It is an arithmetic number, because the mean of its divisors is an integer number (3597093060).

Almost surely, 2^102111022200 is an apocalyptic number.

102111022200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102111022200 is an abundant number, since it is smaller than the sum of its proper divisors (243209911560).

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

102111022200 is a wasteful number, since it uses less digits than its factorization.

102111022200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15471397 (or 15471388 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 102111022200 its reverse (2220111201), we get a palindrome (104331133401).

The spelling of 102111022200 in words is "one hundred two billion, one hundred eleven million, twenty-two thousand, two hundred".