220111231120023 has 8 divisors (see below), whose sum is σ = 293572869868528. Its totient is φ = 146695206559104.

The previous prime is 220111231119973. The next prime is 220111231120051. The reversal of 220111231120023 is 320021132111022.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 220111231120023 - 2²² = 220111226925719 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220111231120073) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11403535636 + ... + 11403554937.

It is an arithmetic number, because the mean of its divisors is an integer number (36696608733566).

Almost surely, 2^{220111231120023} is an apocalyptic number.

220111231120023 is a deficient number, since it is larger than the sum of its proper divisors (73461638748505).

220111231120023 is a wasteful number, since it uses less digits than its factorization.

220111231120023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22807093793.

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 220111231120023 its reverse (320021132111022), we get a palindrome (540132363231045).

Subtracting 220111231120023 from its reverse (320021132111022), we obtain a palindrome (99909900990999).

The spelling of 220111231120023 in words is "two hundred twenty trillion, one hundred eleven billion, two hundred thirty-one million, one hundred twenty thousand, twenty-three".