111120213132 has 36 divisors (see below), whose sum is σ = 280897522360. Its totient is φ = 37038710592.

The previous prime is 111120213119. The next prime is 111120213143. The reversal of 111120213132 is 231312021111.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×111120213132² (a number of 23 digits) contains 22 as substring.

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 11 ways as a sum of consecutive naturals, for example, 1601619 + ... + 1669557.

Almost surely, 2^111120213132 is an apocalyptic number.

111120213132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

111120213132 is an abundant number, since it is smaller than the sum of its proper divisors (169777309228).

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

111120213132 is a wasteful number, since it uses less digits than its factorization.

111120213132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113382 (or 113377 counting only the distinct ones).

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

Adding to 111120213132 its reverse (231312021111), we get a palindrome (342432234243).

The spelling of 111120213132 in words is "one hundred eleven billion, one hundred twenty million, two hundred thirteen thousand, one hundred thirty-two".