122196478171 has 2 divisors, whose sum is σ = 122196478172. Its totient is φ = 122196478170.

The previous prime is 122196478141. The next prime is 122196478199. The reversal of 122196478171 is 171874691221.

It is a strong prime.

It is an emirp because it is prime and its reverse (171874691221) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 122196478171 - 2⁵ = 122196478139 is a prime.

It is not a weakly prime, because it can be changed into another prime (122196478141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61098239085 + 61098239086.

It is an arithmetic number, because the mean of its divisors is an integer number (61098239086).

Almost surely, 2^122196478171 is an apocalyptic number.

122196478171 is a deficient number, since it is larger than the sum of its proper divisors (1).

122196478171 is an equidigital number, since it uses as much as digits as its factorization.

122196478171 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 338688, while the sum is 49.

The spelling of 122196478171 in words is "one hundred twenty-two billion, one hundred ninety-six million, four hundred seventy-eight thousand, one hundred seventy-one".