202122211122023 has 4 divisors (see below), whose sum is σ = 202125754633968. Its totient is φ = 202118667610080.

The previous prime is 202122211121981. The next prime is 202122211122037. The reversal of 202122211122023 is 320221112221202.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 202122211122023 - 2⁶ = 202122211121959 is a prime.

It is a super-2 number, since 2×202122211122023² (a number of 29 digits) contains 22 as substring.

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 202122211122023.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202122211121023) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1771670411 + ... + 1771784492.

It is an arithmetic number, because the mean of its divisors is an integer number (50531438658492).

Almost surely, 2^{202122211122023} is an apocalyptic number.

202122211122023 is a deficient number, since it is larger than the sum of its proper divisors (3543511945).

202122211122023 is an equidigital number, since it uses as much as digits as its factorization.

202122211122023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3543511944.

The product of its (nonzero) digits is 768, while the sum is 23.

Adding to 202122211122023 its reverse (320221112221202), we get a palindrome (522343323343225).

The spelling of 202122211122023 in words is "two hundred two trillion, one hundred twenty-two billion, two hundred eleven million, one hundred twenty-two thousand, twenty-three".