122001231020171 has 2 divisors, whose sum is σ = 122001231020172. Its totient is φ = 122001231020170.

The previous prime is 122001231020069. The next prime is 122001231020177. The reversal of 122001231020171 is 171020132100221.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 122001231020171 - 2²² = 122001226825867 is a prime.

It is a super-2 number, since 2×122001231020171² (a number of 29 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (122001231020177) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61000615510085 + 61000615510086.

It is an arithmetic number, because the mean of its divisors is an integer number (61000615510086).

Almost surely, 2^{122001231020171} is an apocalyptic number.

122001231020171 is a deficient number, since it is larger than the sum of its proper divisors (1).

122001231020171 is an equidigital number, since it uses as much as digits as its factorization.

122001231020171 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 336, while the sum is 23.

Adding to 122001231020171 its reverse (171020132100221), we get a palindrome (293021363120392).

The spelling of 122001231020171 in words is "one hundred twenty-two trillion, one billion, two hundred thirty-one million, twenty thousand, one hundred seventy-one".