111012304 has 20 divisors (see below), whose sum is σ = 231631876. Its totient is φ = 51236352.

The previous prime is 111012289. The next prime is 111012311. The reversal of 111012304 is 403210111.

It can be written as a sum of positive squares in 2 ways, for example, as 66389904 + 44622400 = 8148^2 + 6680^2 .

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a congruent number.

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, 266649 + ... + 267064.

Almost surely, 2^111012304 is an apocalyptic number.

It is an amenable number.

111012304 is an abundant number, since it is smaller than the sum of its proper divisors (120619572).

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

111012304 is a wasteful number, since it uses less digits than its factorization.

111012304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 533734 (or 533728 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 111012304 is about 10536.2376586711. The cubic root of 111012304 is about 480.6073099933.

Adding to 111012304 its reverse (403210111), we get a palindrome (514222415).

The spelling of 111012304 in words is "one hundred eleven million, twelve thousand, three hundred four".