111011200023 has 16 divisors (see below), whose sum is σ = 149486355200. Its totient is φ = 73272086784.

The previous prime is 111011200021. The next prime is 111011200037. The reversal of 111011200023 is 320002110111.

It is not a de Polignac number, because 111011200023 - 2¹ = 111011200021 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 111011199981 and 111011200008.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111011200021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1383303 + ... + 1461351.

It is an arithmetic number, because the mean of its divisors is an integer number (9342897200).

Almost surely, 2^111011200023 is an apocalyptic number.

111011200023 is a deficient number, since it is larger than the sum of its proper divisors (38475155177).

111011200023 is a wasteful number, since it uses less digits than its factorization.

111011200023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82758.

The product of its (nonzero) digits is 12, while the sum is 12.

Adding to 111011200023 its reverse (320002110111), we get a palindrome (431013310134).

The spelling of 111011200023 in words is "one hundred eleven billion, eleven million, two hundred thousand, twenty-three".