122020010171 has 2 divisors, whose sum is σ = 122020010172. Its totient is φ = 122020010170.

The previous prime is 122020010149. The next prime is 122020010221. The reversal of 122020010171 is 171010020221.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-122020010171 is a prime.

It is not a weakly prime, because it can be changed into another prime (122020010111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61010005085 + 61010005086.

It is an arithmetic number, because the mean of its divisors is an integer number (61010005086).

Almost surely, 2^122020010171 is an apocalyptic number.

122020010171 is a deficient number, since it is larger than the sum of its proper divisors (1).

122020010171 is an equidigital number, since it uses as much as digits as its factorization.

122020010171 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 56, while the sum is 17.

Adding to 122020010171 its reverse (171010020221), we get a palindrome (293030030392).

The spelling of 122020010171 in words is "one hundred twenty-two billion, twenty million, ten thousand, one hundred seventy-one".