12220210220171 has 2 divisors, whose sum is σ = 12220210220172. Its totient is φ = 12220210220170.

The previous prime is 12220210220149. The next prime is 12220210220213. The reversal of 12220210220171 is 17102201202221.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12220210220171 - 2²⁶ = 12220143111307 is a prime.

It is not a weakly prime, because it can be changed into another prime (12220210223171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6110105110085 + 6110105110086.

It is an arithmetic number, because the mean of its divisors is an integer number (6110105110086).

Almost surely, 2^{12220210220171} is an apocalyptic number.

12220210220171 is a deficient number, since it is larger than the sum of its proper divisors (1).

12220210220171 is an equidigital number, since it uses as much as digits as its factorization.

12220210220171 is an odious number, because the sum of its binary digits is odd.

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

Adding to 12220210220171 its reverse (17102201202221), we get a palindrome (29322411422392).

The spelling of 12220210220171 in words is "twelve trillion, two hundred twenty billion, two hundred ten million, two hundred twenty thousand, one hundred seventy-one".