12202111171 has 2 divisors, whose sum is σ = 12202111172. Its totient is φ = 12202111170.

The previous prime is 12202111169. The next prime is 12202111213. The reversal of 12202111171 is 17111120221.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12202111171 - 2¹ = 12202111169 is a prime.

Together with 12202111169, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (12202115171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6101055585 + 6101055586.

It is an arithmetic number, because the mean of its divisors is an integer number (6101055586).

Almost surely, 2^12202111171 is an apocalyptic number.

12202111171 is a deficient number, since it is larger than the sum of its proper divisors (1).

12202111171 is an equidigital number, since it uses as much as digits as its factorization.

12202111171 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 56, while the sum is 19.

Adding to 12202111171 its reverse (17111120221), we get a palindrome (29313231392).

The spelling of 12202111171 in words is "twelve billion, two hundred two million, one hundred eleven thousand, one hundred seventy-one".