111366220 has 72 divisors (see below), whose sum is σ = 286418160. Its totient is φ = 36167040.

The previous prime is 111366191. The next prime is 111366247. The reversal of 111366220 is 22663111.

It is a junction number, because it is equal to n+sod(n) for n = 111366191 and 111366200.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15630 + ... + 21610.

It is an arithmetic number, because the mean of its divisors is an integer number (3978030).

Almost surely, 2^111366220 is an apocalyptic number.

111366220 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 111366220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (143209080).

111366220 is an abundant number, since it is smaller than the sum of its proper divisors (175051940).

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

111366220 is a wasteful number, since it uses less digits than its factorization.

111366220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6023 (or 6014 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 111366220 is about 10553.0194731176. The cubic root of 111366220 is about 481.1175062260.

The spelling of 111366220 in words is "one hundred eleven million, three hundred sixty-six thousand, two hundred twenty".