2212212002171 has 2 divisors, whose sum is σ = 2212212002172. Its totient is φ = 2212212002170.

The previous prime is 2212212002089. The next prime is 2212212002191. The reversal of 2212212002171 is 1712002122122.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2212212002171 - 2³⁴ = 2195032132987 is a prime.

It is not a weakly prime, because it can be changed into another prime (2212212002191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1106106001085 + 1106106001086.

It is an arithmetic number, because the mean of its divisors is an integer number (1106106001086).

Almost surely, 2^{2212212002171} is an apocalyptic number.

2212212002171 is a deficient number, since it is larger than the sum of its proper divisors (1).

2212212002171 is an equidigital number, since it uses as much as digits as its factorization.

2212212002171 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 448, while the sum is 23.

Adding to 2212212002171 its reverse (1712002122122), we get a palindrome (3924214124293).

The spelling of 2212212002171 in words is "two trillion, two hundred twelve billion, two hundred twelve million, two thousand, one hundred seventy-one".