111312303323220 has 96 divisors (see below), whose sum is σ = 346314341116800. Its totient is φ = 29682475391232.

The previous prime is 111312303323189. The next prime is 111312303323281. The reversal of 111312303323220 is 22323303213111.

111312303323220 is a `hidden beast` number, since 1 + 1 + 1 + 3 + 1 + 2 + 3 + 0 + 332 + 322 + 0 = 666.

It is a super-2 number, since 2×111312303323220² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17254071 + ... + 22810689.

It is an arithmetic number, because the mean of its divisors is an integer number (3607441053300).

Almost surely, 2^{111312303323220} is an apocalyptic number.

111312303323220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111312303323220 is an abundant number, since it is smaller than the sum of its proper divisors (235002037793580).

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

111312303323220 is a wasteful number, since it uses less digits than its factorization.

111312303323220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5593734 (or 5593726 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 27.

Adding to 111312303323220 its reverse (22323303213111), we get a palindrome (133635606536331).

The spelling of 111312303323220 in words is "one hundred eleven trillion, three hundred twelve billion, three hundred three million, three hundred twenty-three thousand, two hundred twenty".