122320030121 has 2 divisors, whose sum is σ = 122320030122. Its totient is φ = 122320030120.

The previous prime is 122320030093. The next prime is 122320030139. The reversal of 122320030121 is 121030023221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 75109431721 + 47210598400 = 274061^2 + 217280^2 .

It is a cyclic number.

It is not a de Polignac number, because 122320030121 - 2²⁶ = 122252921257 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 122320030121.

It is not a weakly prime, because it can be changed into another prime (122320030421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61160015060 + 61160015061.

It is an arithmetic number, because the mean of its divisors is an integer number (61160015061).

Almost surely, 2^122320030121 is an apocalyptic number.

It is an amenable number.

122320030121 is a deficient number, since it is larger than the sum of its proper divisors (1).

122320030121 is an equidigital number, since it uses as much as digits as its factorization.

122320030121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 122320030121 its reverse (121030023221), we get a palindrome (243350053342).

The spelling of 122320030121 in words is "one hundred twenty-two billion, three hundred twenty million, thirty thousand, one hundred twenty-one".