111220111332 has 72 divisors (see below), whose sum is σ = 306750924480. Its totient is φ = 33697235520.

The previous prime is 111220111283. The next prime is 111220111411. The reversal of 111220111332 is 233111022111.

111220111332 is a `hidden beast` number, since 1 + 1 + 1 + 220 + 111 + 332 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2635833 + ... + 2677695.

Almost surely, 2^111220111332 is an apocalyptic number.

111220111332 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

111220111332 is an abundant number, since it is smaller than the sum of its proper divisors (195530813148).

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

111220111332 is a wasteful number, since it uses less digits than its factorization.

111220111332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48593 (or 48588 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

Adding to 111220111332 its reverse (233111022111), we get a palindrome (344331133443).

The spelling of 111220111332 in words is "one hundred eleven billion, two hundred twenty million, one hundred eleven thousand, three hundred thirty-two".