20223201232111 has 16 divisors (see below), whose sum is σ = 20621202569280. Its totient is φ = 19827354170880.

The previous prime is 20223201232049. The next prime is 20223201232153. The reversal of 20223201232111 is 11123210232202.

It is a cyclic number.

It is not a de Polignac number, because 20223201232111 - 2³¹ = 20221053748463 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 (20223201232411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 300830775 + ... + 300897991.

It is an arithmetic number, because the mean of its divisors is an integer number (1288825160580).

Almost surely, 2^{20223201232111} is an apocalyptic number.

20223201232111 is a deficient number, since it is larger than the sum of its proper divisors (398001337169).

20223201232111 is a wasteful number, since it uses less digits than its factorization.

20223201232111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83154.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 20223201232111 its reverse (11123210232202), we get a palindrome (31346411464313).

Subtracting from 20223201232111 its reverse (11123210232202), we obtain a palindrome (9099990999909).

The spelling of 20223201232111 in words is "twenty trillion, two hundred twenty-three billion, two hundred one million, two hundred thirty-two thousand, one hundred eleven".