111102111220200 has 96 divisors (see below), whose sum is σ = 344419400613600. Its totient is φ = 29626983996160.

The previous prime is 111102111220187. The next prime is 111102111220201. The reversal of 111102111220200 is 2022111201111.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 111102111220200.

It is not an unprimeable number, because it can be changed into a prime (111102111220201) 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, 78461674 + ... + 79865126.

It is an arithmetic number, because the mean of its divisors is an integer number (3587702089725).

Almost surely, 2^{111102111220200} is an apocalyptic number.

111102111220200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111102111220200 is an abundant number, since it is smaller than the sum of its proper divisors (233317289393400).

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

111102111220200 is a wasteful number, since it uses less digits than its factorization.

111102111220200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1535411 (or 1535402 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 111102111220200 its reverse (2022111201111), we get a palindrome (113124222421311).

The spelling of 111102111220200 in words is "one hundred eleven trillion, one hundred two billion, one hundred eleven million, two hundred twenty thousand, two hundred".