122351650121 has 2 divisors, whose sum is σ = 122351650122. Its totient is φ = 122351650120.

The previous prime is 122351650097. The next prime is 122351650123. The reversal of 122351650121 is 121056153221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 100846894096 + 21504756025 = 317564^2 + 146645^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-122351650121 is a prime.

Together with 122351650123, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (122351650123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61175825060 + 61175825061.

It is an arithmetic number, because the mean of its divisors is an integer number (61175825061).

Almost surely, 2^122351650121 is an apocalyptic number.

It is an amenable number.

122351650121 is a deficient number, since it is larger than the sum of its proper divisors (1).

122351650121 is an equidigital number, since it uses as much as digits as its factorization.

122351650121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3600, while the sum is 29.

The spelling of 122351650121 in words is "one hundred twenty-two billion, three hundred fifty-one million, six hundred fifty thousand, one hundred twenty-one".