111122131323 has 8 divisors (see below), whose sum is σ = 169328962048. Its totient is φ = 63498360744.

The previous prime is 111122131319. The next prime is 111122131327. The reversal of 111122131323 is 323131221111.

It is an interprime number because it is at equal distance from previous prime (111122131319) and next prime (111122131327).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 111122131323 - 2² = 111122131319 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 5291530063 = 111122131323 / (1 + 1 + 1 + 1 + 2 + 2 + 1 + 3 + 1 + 3 + 2 + 3).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 111122131323.

It is not an unprimeable number, because it can be changed into a prime (111122131327) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 2645765011 + ... + 2645765052.

It is an arithmetic number, because the mean of its divisors is an integer number (21166120256).

Almost surely, 2^111122131323 is an apocalyptic number.

111122131323 is a deficient number, since it is larger than the sum of its proper divisors (58206830725).

111122131323 is an equidigital number, since it uses as much as digits as its factorization.

111122131323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5291530073.

The product of its digits is 216, while the sum is 21.

Adding to 111122131323 its reverse (323131221111), we get a palindrome (434253352434).

The spelling of 111122131323 in words is "one hundred eleven billion, one hundred twenty-two million, one hundred thirty-one thousand, three hundred twenty-three".