111313031221323 has 16 divisors (see below), whose sum is σ = 169365172630560. Its totient is φ = 72203047278048.

The previous prime is 111313031221307. The next prime is 111313031221339. The reversal of 111313031221323 is 323122130313111.

111313031221323 is a `hidden beast` number, since 1 + 1 + 1 + 3 + 1 + 3 + 0 + 312 + 21 + 323 = 666.

It is an interprime number because it is at equal distance from previous prime (111313031221307) and next prime (111313031221339).

It is not a de Polignac number, because 111313031221323 - 2⁴ = 111313031221307 is a prime.

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

It is not an unprimeable number, because it can be changed into a prime (111313031220323) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55712226840 + ... + 55712228837.

It is an arithmetic number, because the mean of its divisors is an integer number (10585323289410).

Almost surely, 2^{111313031221323} is an apocalyptic number.

111313031221323 is a deficient number, since it is larger than the sum of its proper divisors (58052141409237).

111313031221323 is a wasteful number, since it uses less digits than its factorization.

111313031221323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111424455723 (or 111424455717 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 27.

Adding to 111313031221323 its reverse (323122130313111), we get a palindrome (434435161534434).

The spelling of 111313031221323 in words is "one hundred eleven trillion, three hundred thirteen billion, thirty-one million, two hundred twenty-one thousand, three hundred twenty-three".