122163914881 has 16 divisors (see below), whose sum is σ = 127210084560. Its totient is φ = 117174435840.

The previous prime is 122163914867. The next prime is 122163914893. The reversal of 122163914881 is 188419361221.

It can be written as a sum of positive squares in 8 ways, for example, as 32106905856 + 90057009025 = 179184^2 + 300095^2 .

It is a cyclic number.

It is not a de Polignac number, because 122163914881 - 2¹⁹ = 122163390593 is a prime.

It is a super-2 number, since 2×122163914881² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (122163914861) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6618241 + ... + 6636673.

It is an arithmetic number, because the mean of its divisors is an integer number (7950630285).

Almost surely, 2^122163914881 is an apocalyptic number.

It is an amenable number.

122163914881 is a deficient number, since it is larger than the sum of its proper divisors (5046169679).

122163914881 is a wasteful number, since it uses less digits than its factorization.

122163914881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19956.

The product of its digits is 165888, while the sum is 46.

The spelling of 122163914881 in words is "one hundred twenty-two billion, one hundred sixty-three million, nine hundred fourteen thousand, eight hundred eighty-one".