111066220 has 12 divisors (see below), whose sum is σ = 233239104. Its totient is φ = 44426480.

The previous prime is 111066187. The next prime is 111066247. The reversal of 111066220 is 22660111.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2776636 + ... + 2776675.

It is an arithmetic number, because the mean of its divisors is an integer number (19436592).

Almost surely, 2^111066220 is an apocalyptic number.

111066220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111066220 is an abundant number, since it is smaller than the sum of its proper divisors (122172884).

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

111066220 is a wasteful number, since it uses less digits than its factorization.

111066220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5553320 (or 5553318 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 19.

The square root of 111066220 is about 10538.7959464068. The cubic root of 111066220 is about 480.6851038622.

The spelling of 111066220 in words is "one hundred eleven million, sixty-six thousand, two hundred twenty".