111023332220 has 24 divisors (see below), whose sum is σ = 236628836304. Its totient is φ = 43746506496.

The previous prime is 111023332183. The next prime is 111023332241. The reversal of 111023332220 is 22233320111.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 111023332192 and 111023332201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41425277 + ... + 41427956.

It is an arithmetic number, because the mean of its divisors is an integer number (9859534846).

Almost surely, 2^111023332220 is an apocalyptic number.

111023332220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111023332220 is an abundant number, since it is smaller than the sum of its proper divisors (125605504084).

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

111023332220 is a wasteful number, since it uses less digits than its factorization.

111023332220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82853309 (or 82853307 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 111023332220 its reverse (22233320111), we get a palindrome (133256652331).

The spelling of 111023332220 in words is "one hundred eleven billion, twenty-three million, three hundred thirty-two thousand, two hundred twenty".