111030111023 has 16 divisors (see below), whose sum is σ = 122142577536. Its totient is φ = 100308113760.

The previous prime is 111030110953. The next prime is 111030111041. The reversal of 111030111023 is 320111030111.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 111030111023 - 2²⁰ = 111029062447 is a prime.

It is a super-2 number, since 2×111030111023² (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 = 111030110989 and 111030111007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111030111053) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 365393 + ... + 596298.

It is an arithmetic number, because the mean of its divisors is an integer number (7633911096).

Almost surely, 2^111030111023 is an apocalyptic number.

111030111023 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

111030111023 is a deficient number, since it is larger than the sum of its proper divisors (11112466513).

111030111023 is a wasteful number, since it uses less digits than its factorization.

111030111023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 961894.

The product of its (nonzero) digits is 18, while the sum is 14.

Adding to 111030111023 its reverse (320111030111), we get a palindrome (431141141134).

The spelling of 111030111023 in words is "one hundred eleven billion, thirty million, one hundred eleven thousand, twenty-three".