111010022220 has 48 divisors (see below), whose sum is σ = 311005668960. Its totient is φ = 29585757696.

The previous prime is 111010022191. The next prime is 111010022237. The reversal of 111010022220 is 22220010111.

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 = 111010022196 and 111010022205.

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, 422535 + ... + 632894.

It is an arithmetic number, because the mean of its divisors is an integer number (6479284770).

Almost surely, 2^111010022220 is an apocalyptic number.

111010022220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111010022220 is an abundant number, since it is smaller than the sum of its proper divisors (199995646740).

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

111010022220 is a wasteful number, since it uses less digits than its factorization.

111010022220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1057194 (or 1057192 counting only the distinct ones).

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

Adding to 111010022220 its reverse (22220010111), we get a palindrome (133230032331).

The spelling of 111010022220 in words is "one hundred eleven billion, ten million, twenty-two thousand, two hundred twenty".