122112221110171 has 2 divisors, whose sum is σ = 122112221110172. Its totient is φ = 122112221110170.

The previous prime is 122112221110163. The next prime is 122112221110213. The reversal of 122112221110171 is 171011122211221.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 122112221110171 - 2³ = 122112221110163 is a prime.

It is a super-2 number, since 2×122112221110171² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (122112221110871) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61056110555085 + 61056110555086.

It is an arithmetic number, because the mean of its divisors is an integer number (61056110555086).

Almost surely, 2^{122112221110171} is an apocalyptic number.

122112221110171 is a deficient number, since it is larger than the sum of its proper divisors (1).

122112221110171 is an equidigital number, since it uses as much as digits as its factorization.

122112221110171 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 224, while the sum is 25.

Adding to 122112221110171 its reverse (171011122211221), we get a palindrome (293123343321392).

The spelling of 122112221110171 in words is "one hundred twenty-two trillion, one hundred twelve billion, two hundred twenty-one million, one hundred ten thousand, one hundred seventy-one".