111130220232 has 48 divisors (see below), whose sum is σ = 305100676140. Its totient is φ = 36535961088.

The previous prime is 111130220207. The next prime is 111130220233. The reversal of 111130220232 is 232022031111.

111130220232 is a `hidden beast` number, since 1 + 111 + 302 + 20 + 232 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 110485771236 + 644448996 = 332394^2 + 25386^2 .

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

It is not an unprimeable number, because it can be changed into a prime (111130220233) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10566493 + ... + 10577004.

Almost surely, 2^111130220232 is an apocalyptic number.

111130220232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

111130220232 is an abundant number, since it is smaller than the sum of its proper divisors (193970455908).

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

111130220232 is a wasteful number, since it uses less digits than its factorization.

111130220232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21143582 (or 21143575 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 111130220232 its reverse (232022031111), we get a palindrome (343152251343).

The spelling of 111130220232 in words is "one hundred eleven billion, one hundred thirty million, two hundred twenty thousand, two hundred thirty-two".