122217371867 has 2 divisors, whose sum is σ = 122217371868. Its totient is φ = 122217371866.

The previous prime is 122217371831. The next prime is 122217371911. The reversal of 122217371867 is 768173712221.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 122217371867 - 2¹⁶ = 122217306331 is a prime.

It is not a weakly prime, because it can be changed into another prime (122217371167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61108685933 + 61108685934.

It is an arithmetic number, because the mean of its divisors is an integer number (61108685934).

Almost surely, 2^122217371867 is an apocalyptic number.

122217371867 is a deficient number, since it is larger than the sum of its proper divisors (1).

122217371867 is an equidigital number, since it uses as much as digits as its factorization.

122217371867 is an evil number, because the sum of its binary digits is even.

The product of its digits is 395136, while the sum is 47.

The spelling of 122217371867 in words is "one hundred twenty-two billion, two hundred seventeen million, three hundred seventy-one thousand, eight hundred sixty-seven".