122177980108859 has 2 divisors, whose sum is σ = 122177980108860. Its totient is φ = 122177980108858.

The previous prime is 122177980108787. The next prime is 122177980108861. The reversal of 122177980108859 is 958801089771221.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 122177980108859 - 2²⁰ = 122177979060283 is a prime.

It is a super-3 number, since 3×122177980108859³ (a number of 43 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

Together with 122177980108861, 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 (122177980128859) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61088990054429 + 61088990054430.

It is an arithmetic number, because the mean of its divisors is an integer number (61088990054430).

Almost surely, 2^{122177980108859} is an apocalyptic number.

122177980108859 is a deficient number, since it is larger than the sum of its proper divisors (1).

122177980108859 is an equidigital number, since it uses as much as digits as its factorization.

122177980108859 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 40642560, while the sum is 68.

The spelling of 122177980108859 in words is "one hundred twenty-two trillion, one hundred seventy-seven billion, nine hundred eighty million, one hundred eight thousand, eight hundred fifty-nine".