122102663751077 has 4 divisors (see below), whose sum is σ = 122115963255276. Its totient is φ = 122089364246880.

The previous prime is 122102663751037. The next prime is 122102663751181. The reversal of 122102663751077 is 770157366201221.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 26923635062401 + 95179028688676 = 5188799^2 + 9755974^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-122102663751077 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122102663751037) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6649738328 + ... + 6649756689.

It is an arithmetic number, because the mean of its divisors is an integer number (30528990813819).

Almost surely, 2^{122102663751077} is an apocalyptic number.

It is an amenable number.

122102663751077 is a deficient number, since it is larger than the sum of its proper divisors (13299504199).

122102663751077 is an equidigital number, since it uses as much as digits as its factorization.

122102663751077 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13299504198.

The product of its (nonzero) digits is 1481760, while the sum is 50.

The spelling of 122102663751077 in words is "one hundred twenty-two trillion, one hundred two billion, six hundred sixty-three million, seven hundred fifty-one thousand, seventy-seven".