111012023 has 16 divisors (see below), whose sum is σ = 121902336. Its totient is φ = 100638720.

The previous prime is 111012017. The next prime is 111012047. The reversal of 111012023 is 320210111.

It is a cyclic number.

It is not a de Polignac number, because 111012023 - 2¹⁶ = 110946487 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 111011995 and 111012013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111012323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 164615 + ... + 165287.

It is an arithmetic number, because the mean of its divisors is an integer number (7618896).

Almost surely, 2^111012023 is an apocalyptic number.

111012023 is a deficient number, since it is larger than the sum of its proper divisors (10890313).

111012023 is a wasteful number, since it uses less digits than its factorization.

111012023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1034.

The product of its (nonzero) digits is 12, while the sum is 11.

The square root of 111012023 is about 10536.2243237319. The cubic root of 111012023 is about 480.6069044804.

Adding to 111012023 its reverse (320210111), we get a palindrome (431222134).

The spelling of 111012023 in words is "one hundred eleven million, twelve thousand, twenty-three".