122302343021 has 2 divisors, whose sum is σ = 122302343022. Its totient is φ = 122302343020.

The previous prime is 122302343003. The next prime is 122302343147. The reversal of 122302343021 is 120343203221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 90114036100 + 32188306921 = 300190^2 + 179411^2 .

It is a cyclic number.

It is not a de Polignac number, because 122302343021 - 2²⁶ = 122235234157 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122302343921) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61151171510 + 61151171511.

It is an arithmetic number, because the mean of its divisors is an integer number (61151171511).

Almost surely, 2^122302343021 is an apocalyptic number.

It is an amenable number.

122302343021 is a deficient number, since it is larger than the sum of its proper divisors (1).

122302343021 is an equidigital number, since it uses as much as digits as its factorization.

122302343021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 122302343021 its reverse (120343203221), we get a palindrome (242645546242).

The spelling of 122302343021 in words is "one hundred twenty-two billion, three hundred two million, three hundred forty-three thousand, twenty-one".