122122101019977 has 12 divisors (see below), whose sum is σ = 176922028320180. Its totient is φ = 81173147263488.

The previous prime is 122122101019819. The next prime is 122122101019979. The reversal of 122122101019977 is 779910101221221.

122122101019977 is a `hidden beast` number, since 1 + 221 + 221 + 0 + 10 + 199 + 7 + 7 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 68514092600976 + 53608008419001 = 8277324^2 + 7321749^2 .

It is not a de Polignac number, because 122122101019977 - 2¹² = 122122101015881 is a prime.

It is not an unprimeable number, because it can be changed into a prime (122122101019979) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20132225952 + ... + 20132232017.

It is an arithmetic number, because the mean of its divisors is an integer number (14743502360015).

Almost surely, 2^{122122101019977} is an apocalyptic number.

It is an amenable number.

122122101019977 is a deficient number, since it is larger than the sum of its proper divisors (54799927300203).

122122101019977 is a wasteful number, since it uses less digits than its factorization.

122122101019977 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40264458312 (or 40264458309 counting only the distinct ones).

The product of its (nonzero) digits is 63504, while the sum is 45.

The spelling of 122122101019977 in words is "one hundred twenty-two trillion, one hundred twenty-two billion, one hundred one million, nineteen thousand, nine hundred seventy-seven".