111010120200 has 288 divisors, whose sum is σ = 428218128000. Its totient is φ = 25245665280.

The previous prime is 111010120159. The next prime is 111010120211. The reversal of 111010120200 is 2021010111.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a super Niven number, because it is divisible the sum of any subset of its (nonzero) digits.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 2485264 + ... + 2529536.

It is an arithmetic number, because the mean of its divisors is an integer number (1486868500).

Almost surely, 2^111010120200 is an apocalyptic number.

111010120200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 111010120200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (214109064000).

111010120200 is an abundant number, since it is smaller than the sum of its proper divisors (317208007800).

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

111010120200 is a wasteful number, since it uses less digits than its factorization.

111010120200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44501 (or 44489 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 111010120200 its reverse (2021010111), we get a palindrome (113031130311).

The spelling of 111010120200 in words is "one hundred eleven billion, ten million, one hundred twenty thousand, two hundred".