111033121323 has 4 divisors (see below), whose sum is σ = 148044161768. Its totient is φ = 74022080880.

The previous prime is 111033121319. The next prime is 111033121337. The reversal of 111033121323 is 323121330111.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 323121330111 = 3 ⋅107707110037.

It is not a de Polignac number, because 111033121323 - 2² = 111033121319 is a prime.

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 111033121323.

It is not an unprimeable number, because it can be changed into a prime (111033121363) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18505520218 + ... + 18505520223.

It is an arithmetic number, because the mean of its divisors is an integer number (37011040442).

Almost surely, 2^111033121323 is an apocalyptic number.

111033121323 is a deficient number, since it is larger than the sum of its proper divisors (37011040445).

111033121323 is an equidigital number, since it uses as much as digits as its factorization.

111033121323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37011040444.

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 111033121323 its reverse (323121330111), we get a palindrome (434154451434).

The spelling of 111033121323 in words is "one hundred eleven billion, thirty-three million, one hundred twenty-one thousand, three hundred twenty-three".