2211210112171 has 2 divisors, whose sum is σ = 2211210112172. Its totient is φ = 2211210112170.

The previous prime is 2211210112159. The next prime is 2211210112213. The reversal of 2211210112171 is 1712110121122.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2211210112171 - 2¹⁹ = 2211209587883 is a prime.

It is not a weakly prime, because it can be changed into another prime (2211210112151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1105605056085 + 1105605056086.

It is an arithmetic number, because the mean of its divisors is an integer number (1105605056086).

Almost surely, 2^{2211210112171} is an apocalyptic number.

2211210112171 is a deficient number, since it is larger than the sum of its proper divisors (1).

2211210112171 is an equidigital number, since it uses as much as digits as its factorization.

2211210112171 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 112, while the sum is 22.

Adding to 2211210112171 its reverse (1712110121122), we get a palindrome (3923320233293).

The spelling of 2211210112171 in words is "two trillion, two hundred eleven billion, two hundred ten million, one hundred twelve thousand, one hundred seventy-one".