122621101237 has 2 divisors, whose sum is σ = 122621101238. Its totient is φ = 122621101236.

The previous prime is 122621101219. The next prime is 122621101241. The reversal of 122621101237 is 732101126221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 80724742641 + 41896358596 = 284121^2 + 204686^2 .

It is an emirp because it is prime and its reverse (732101126221) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 122621101237 - 2²⁷ = 122486883509 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122621101637) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61310550618 + 61310550619.

It is an arithmetic number, because the mean of its divisors is an integer number (61310550619).

Almost surely, 2^122621101237 is an apocalyptic number.

It is an amenable number.

122621101237 is a deficient number, since it is larger than the sum of its proper divisors (1).

122621101237 is an equidigital number, since it uses as much as digits as its factorization.

122621101237 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2016, while the sum is 28.

Adding to 122621101237 its reverse (732101126221), we get a palindrome (854722227458).

The spelling of 122621101237 in words is "one hundred twenty-two billion, six hundred twenty-one million, one hundred one thousand, two hundred thirty-seven".