111001133023 has 4 divisors (see below), whose sum is σ = 121092145128. Its totient is φ = 100910120920.

The previous prime is 111001133017. The next prime is 111001133027. The reversal of 111001133023 is 320331100111.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 320331100111 = 11 ⋅29121009101.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-111001133023 is a prime.

It is a super-2 number, since 2×111001133023² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 111001132988 and 111001133006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111001133027) 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, 5045506036 + ... + 5045506057.

It is an arithmetic number, because the mean of its divisors is an integer number (30273036282).

Almost surely, 2^111001133023 is an apocalyptic number.

111001133023 is a deficient number, since it is larger than the sum of its proper divisors (10091012105).

111001133023 is a wasteful number, since it uses less digits than its factorization.

111001133023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10091012104.

The product of its (nonzero) digits is 54, while the sum is 16.

Adding to 111001133023 its reverse (320331100111), we get a palindrome (431332233134).

The spelling of 111001133023 in words is "one hundred eleven billion, one million, one hundred thirty-three thousand, twenty-three".