202023220023121 has 4 divisors (see below), whose sum is σ = 230883680026432. Its totient is φ = 173162760019812.

The previous prime is 202023220023103. The next prime is 202023220023127. The reversal of 202023220023121 is 121320022320202.

202023220023121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 202023220023121 - 2⁷ = 202023220022993 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 202023220023092 and 202023220023101.

It is not an unprimeable number, because it can be changed into a prime (202023220023127) 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, 14430230001645 + ... + 14430230001658.

It is an arithmetic number, because the mean of its divisors is an integer number (57720920006608).

Almost surely, 2^{202023220023121} is an apocalyptic number.

It is an amenable number.

202023220023121 is a deficient number, since it is larger than the sum of its proper divisors (28860460003311).

202023220023121 is an equidigital number, since it uses as much as digits as its factorization.

202023220023121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28860460003310.

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 202023220023121 its reverse (121320022320202), we get a palindrome (323343242343323).

The spelling of 202023220023121 in words is "two hundred two trillion, twenty-three billion, two hundred twenty million, twenty-three thousand, one hundred twenty-one".