2023222123221 has 16 divisors (see below), whose sum is σ = 2905177141440. Its totient is φ = 1245043618560.

The previous prime is 2023222123213. The next prime is 2023222123243. The reversal of 2023222123221 is 1223212223202.

It is not a de Polignac number, because 2023222123221 - 2³ = 2023222123213 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2023222123191 and 2023222123200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2023222123261) 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, 3171901 + ... + 3755981.

It is an arithmetic number, because the mean of its divisors is an integer number (181573571340).

Almost surely, 2^{2023222123221} is an apocalyptic number.

It is an amenable number.

2023222123221 is a deficient number, since it is larger than the sum of its proper divisors (881955018219).

2023222123221 is a wasteful number, since it uses less digits than its factorization.

2023222123221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 672916.

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 2023222123221 its reverse (1223212223202), we get a palindrome (3246434346423).

The spelling of 2023222123221 in words is "two trillion, twenty-three billion, two hundred twenty-two million, one hundred twenty-three thousand, two hundred twenty-one".