111121322323 has 4 divisors (see below), whose sum is σ = 121223260728. Its totient is φ = 101019383920.

The previous prime is 111121322303. The next prime is 111121322353. The reversal of 111121322323 is 323223121111.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 323223121111 = 11 ⋅29383920101.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-111121322323 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 111121322294 and 111121322303.

It is not an unprimeable number, because it can be changed into a prime (111121322303) 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, 5050969186 + ... + 5050969207.

It is an arithmetic number, because the mean of its divisors is an integer number (30305815182).

Almost surely, 2^111121322323 is an apocalyptic number.

111121322323 is a deficient number, since it is larger than the sum of its proper divisors (10101938405).

111121322323 is a wasteful number, since it uses less digits than its factorization.

111121322323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10101938404.

The product of its digits is 432, while the sum is 22.

Adding to 111121322323 its reverse (323223121111), we get a palindrome (434344443434).

The spelling of 111121322323 in words is "one hundred eleven billion, one hundred twenty-one million, three hundred twenty-two thousand, three hundred twenty-three".