221320213020023 has 32 divisors (see below), whose sum is σ = 242832799372800. Its totient is φ = 200465077824000.

The previous prime is 221320213020007. The next prime is 221320213020041. The reversal of 221320213020023 is 320020312023122.

It is a cyclic number.

It is not a de Polignac number, because 221320213020023 - 2⁴ = 221320213020007 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221320213050023) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1253786693 + ... + 1253963201.

It is an arithmetic number, because the mean of its divisors is an integer number (7588524980400).

Almost surely, 2^{221320213020023} is an apocalyptic number.

221320213020023 is a deficient number, since it is larger than the sum of its proper divisors (21512586352777).

221320213020023 is a wasteful number, since it uses less digits than its factorization.

221320213020023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180363.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 221320213020023 its reverse (320020312023122), we get a palindrome (541340525043145).

The spelling of 221320213020023 in words is "two hundred twenty-one trillion, three hundred twenty billion, two hundred thirteen million, twenty thousand, twenty-three".