111120200220 has 48 divisors (see below), whose sum is σ = 312611177088. Its totient is φ = 29491613760.

The previous prime is 111120200207. The next prime is 111120200231. The reversal of 111120200220 is 22002021111.

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

It is a junction number, because it is equal to n+sod(n) for n = 111120200196 and 111120200205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4375974 + ... + 4401293.

It is an arithmetic number, because the mean of its divisors is an integer number (6512732856).

Almost surely, 2^111120200220 is an apocalyptic number.

111120200220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111120200220 is an abundant number, since it is smaller than the sum of its proper divisors (201490976868).

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

111120200220 is a wasteful number, since it uses less digits than its factorization.

111120200220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8777490 (or 8777488 counting only the distinct ones).

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

Adding to 111120200220 its reverse (22002021111), we get a palindrome (133122221331).

The spelling of 111120200220 in words is "one hundred eleven billion, one hundred twenty million, two hundred thousand, two hundred twenty".