111131102223023 has 16 divisors (see below), whose sum is σ = 113308389324000. Its totient is φ = 108956817939840.

The previous prime is 111131102222989. The next prime is 111131102223107. The reversal of 111131102223023 is 320322201131111.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 111131102223023 - 2¹⁶ = 111131102157487 is a prime.

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 111131102223023.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111131102223223) 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, 535904468 + ... + 536111798.

It is an arithmetic number, because the mean of its divisors is an integer number (7081774332750).

Almost surely, 2^{111131102223023} is an apocalyptic number.

111131102223023 is a deficient number, since it is larger than the sum of its proper divisors (2177287100977).

111131102223023 is a wasteful number, since it uses less digits than its factorization.

111131102223023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 214522.

The product of its (nonzero) digits is 432, while the sum is 23.

Adding to 111131102223023 its reverse (320322201131111), we get a palindrome (431453303354134).

The spelling of 111131102223023 in words is "one hundred eleven trillion, one hundred thirty-one billion, one hundred two million, two hundred twenty-three thousand, twenty-three".