111320132 has 96 divisors (see below), whose sum is σ = 255467520. Its totient is φ = 41184000.

The previous prime is 111320129. The next prime is 111320147. The reversal of 111320132 is 231023111.

It is a Harshad number since it is a multiple of its sum of digits (14).

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 31 ways as a sum of consecutive naturals, for example, 849707 + ... + 849837.

It is an arithmetic number, because the mean of its divisors is an integer number (2661120).

Almost surely, 2^111320132 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 111320132, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (127733760).

111320132 is an abundant number, since it is smaller than the sum of its proper divisors (144147388).

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

111320132 is a wasteful number, since it uses less digits than its factorization.

111320132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 273 (or 271 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 111320132 is about 10550.8356067186. The cubic root of 111320132 is about 481.0511282191.

Adding to 111320132 its reverse (231023111), we get a palindrome (342343243).

The spelling of 111320132 in words is "one hundred eleven million, three hundred twenty thousand, one hundred thirty-two".