111122130023 has 16 divisors (see below), whose sum is σ = 115696831680. Its totient is φ = 106597806336.

The previous prime is 111122130019. The next prime is 111122130083. The reversal of 111122130023 is 320031221111.

It is a cyclic number.

It is not a de Polignac number, because 111122130023 - 2² = 111122130019 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 111122129983 and 111122130010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111122130013) 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, 8306486 + ... + 8319852.

It is an arithmetic number, because the mean of its divisors is an integer number (7231051980).

Almost surely, 2^111122130023 is an apocalyptic number.

111122130023 is a deficient number, since it is larger than the sum of its proper divisors (4574701657).

111122130023 is a wasteful number, since it uses less digits than its factorization.

111122130023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15226.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 111122130023 its reverse (320031221111), we get a palindrome (431153351134).

The spelling of 111122130023 in words is "one hundred eleven billion, one hundred twenty-two million, one hundred thirty thousand, twenty-three".