2023122213121 has 4 divisors (see below), whose sum is σ = 2077801191892. Its totient is φ = 1968443234352.

The previous prime is 2023122213103. The next prime is 2023122213131. The reversal of 2023122213121 is 1213122213202.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1431085838400 + 592036374721 = 1196280^2 + 769439^2 .

It is not a de Polignac number, because 2023122213121 - 2¹¹ = 2023122211073 is a prime.

It is a super-2 number, since 2×2023122213121² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2023122213092 and 2023122213101.

It is not an unprimeable number, because it can be changed into a prime (2023122213131) 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, 27339489330 + ... + 27339489403.

It is an arithmetic number, because the mean of its divisors is an integer number (519450297973).

Almost surely, 2^{2023122213121} is an apocalyptic number.

It is an amenable number.

2023122213121 is a deficient number, since it is larger than the sum of its proper divisors (54678978771).

2023122213121 is an equidigital number, since it uses as much as digits as its factorization.

2023122213121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54678978770.

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

Adding to 2023122213121 its reverse (1213122213202), we get a palindrome (3236244426323).

The spelling of 2023122213121 in words is "two trillion, twenty-three billion, one hundred twenty-two million, two hundred thirteen thousand, one hundred twenty-one".