111330103123 has 4 divisors (see below), whose sum is σ = 111335529928. Its totient is φ = 111324676320.

The previous prime is 111330103097. The next prime is 111330103133. The reversal of 111330103123 is 321301033111.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 321301033111 = 61 ⋅5267230051.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-111330103123 is a prime.

It is a super-2 number, since 2×111330103123² (a number of 23 digits) contains 22 as substring.

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 111330103123.

It is not an unprimeable number, because it can be changed into a prime (111330103133) 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, 2682513 + ... + 2723698.

It is an arithmetic number, because the mean of its divisors is an integer number (27833882482).

Almost surely, 2^111330103123 is an apocalyptic number.

111330103123 is a deficient number, since it is larger than the sum of its proper divisors (5426805).

111330103123 is an equidigital number, since it uses as much as digits as its factorization.

111330103123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5426804.

The product of its (nonzero) digits is 162, while the sum is 19.

Adding to 111330103123 its reverse (321301033111), we get a palindrome (432631136234).

The spelling of 111330103123 in words is "one hundred eleven billion, three hundred thirty million, one hundred three thousand, one hundred twenty-three".