12101210101171 has 2 divisors, whose sum is σ = 12101210101172. Its totient is φ = 12101210101170.

The previous prime is 12101210101159. The next prime is 12101210101217. The reversal of 12101210101171 is 17110101210121.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12101210101171 - 2²⁷ = 12101075883443 is a prime.

It is not a weakly prime, because it can be changed into another prime (12101210111171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6050605050585 + 6050605050586.

It is an arithmetic number, because the mean of its divisors is an integer number (6050605050586).

Almost surely, 2^{12101210101171} is an apocalyptic number.

12101210101171 is a deficient number, since it is larger than the sum of its proper divisors (1).

12101210101171 is an equidigital number, since it uses as much as digits as its factorization.

12101210101171 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 28, while the sum is 19.

Adding to 12101210101171 its reverse (17110101210121), we get a palindrome (29211311311292).

The spelling of 12101210101171 in words is "twelve trillion, one hundred one billion, two hundred ten million, one hundred one thousand, one hundred seventy-one".