111031013020200 has 384 divisors, whose sum is σ = 424806110668800. Its totient is φ = 23361065118720.

The previous prime is 111031013020171. The next prime is 111031013020211. The reversal of 111031013020200 is 2020310130111.

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 111031013020200.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 16769179 + ... + 22433621.

It is an arithmetic number, because the mean of its divisors is an integer number (1106265913200).

Almost surely, 2^{111031013020200} is an apocalyptic number.

111031013020200 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 111031013020200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (212403055334400).

111031013020200 is an abundant number, since it is smaller than the sum of its proper divisors (313775097648600).

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

111031013020200 is a wasteful number, since it uses less digits than its factorization.

111031013020200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5664841 (or 5664832 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 111031013020200 its reverse (2020310130111), we get a palindrome (113051323150311).

The spelling of 111031013020200 in words is "one hundred eleven trillion, thirty-one billion, thirteen million, twenty thousand, two hundred".