11110111331123 has 4 divisors (see below), whose sum is σ = 12697270092720. Its totient is φ = 9522952569528.

The previous prime is 11110111331071. The next prime is 11110111331171. The reversal of 11110111331123 is 32113311101111.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11110111331123 - 2³² = 11105816363827 is a prime.

It is a super-2 number, since 2×11110111331123² (a number of 27 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 = 11110111331095 and 11110111331104.

It is not an unprimeable number, because it can be changed into a prime (11110111331023) 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, 793579380788 + ... + 793579380801.

It is an arithmetic number, because the mean of its divisors is an integer number (3174317523180).

Almost surely, 2^{11110111331123} is an apocalyptic number.

11110111331123 is a deficient number, since it is larger than the sum of its proper divisors (1587158761597).

11110111331123 is an equidigital number, since it uses as much as digits as its factorization.

11110111331123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1587158761596.

The product of its (nonzero) digits is 54, while the sum is 20.

Adding to 11110111331123 its reverse (32113311101111), we get a palindrome (43223422432234).

The spelling of 11110111331123 in words is "eleven trillion, one hundred ten billion, one hundred eleven million, three hundred thirty-one thousand, one hundred twenty-three".