122325727523221 has 4 divisors (see below), whose sum is σ = 122326833243244. Its totient is φ = 122324621803200.

The previous prime is 122325727523213. The next prime is 122325727523249.

122325727523221 is nontrivially palindromic in base 10.

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 69397046979121 + 52928680544100 = 8330489^2 + 7275210^2 .

It is a cyclic number.

It is not a de Polignac number, because 122325727523221 - 2³ = 122325727523213 is a prime.

It is a super-2 number, since 2×122325727523221² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122325727523201) 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, 552694050 + ... + 552915331.

It is an arithmetic number, because the mean of its divisors is an integer number (30581708310811).

Almost surely, 2^{122325727523221} is an apocalyptic number.

It is an amenable number.

122325727523221 is a deficient number, since it is larger than the sum of its proper divisors (1105720023).

122325727523221 is a wasteful number, since it uses less digits than its factorization.

122325727523221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1105720022.

The product of its digits is 1411200, while the sum is 46.

The spelling of 122325727523221 in words is "one hundred twenty-two trillion, three hundred twenty-five billion, seven hundred twenty-seven million, five hundred twenty-three thousand, two hundred twenty-one".