122621101279 has 2 divisors, whose sum is σ = 122621101280. Its totient is φ = 122621101278.

The previous prime is 122621101259. The next prime is 122621101321. The reversal of 122621101279 is 972101126221.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 122621101279 - 2¹⁷ = 122620970207 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122621101219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61310550639 + 61310550640.

It is an arithmetic number, because the mean of its divisors is an integer number (61310550640).

Almost surely, 2^122621101279 is an apocalyptic number.

122621101279 is a deficient number, since it is larger than the sum of its proper divisors (1).

122621101279 is an equidigital number, since it uses as much as digits as its factorization.

122621101279 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6048, while the sum is 34.

The spelling of 122621101279 in words is "one hundred twenty-two billion, six hundred twenty-one million, one hundred one thousand, two hundred seventy-nine".