122340323043221 has 4 divisors (see below), whose sum is σ = 122612795923500. Its totient is φ = 122067850162944.

The previous prime is 122340323043217. The next prime is 122340323043287.

122340323043221 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 60773718062500 + 61566604980721 = 7795750^2 + 7846439^2 .

It is a cyclic number.

It is not a de Polignac number, because 122340323043221 - 2² = 122340323043217 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122340323943221) 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, 136236439466 + ... + 136236440363.

It is an arithmetic number, because the mean of its divisors is an integer number (30653198980875).

Almost surely, 2^{122340323043221} is an apocalyptic number.

It is an amenable number.

122340323043221 is a deficient number, since it is larger than the sum of its proper divisors (272472880279).

122340323043221 is an equidigital number, since it uses as much as digits as its factorization.

122340323043221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 272472880278.

The product of its (nonzero) digits is 41472, while the sum is 32.

The spelling of 122340323043221 in words is "one hundred twenty-two trillion, three hundred forty billion, three hundred twenty-three million, forty-three thousand, two hundred twenty-one".