10202202212171 has 2 divisors, whose sum is σ = 10202202212172. Its totient is φ = 10202202212170.

The previous prime is 10202202212161. The next prime is 10202202212219. The reversal of 10202202212171 is 17121220220201.

It is a weak prime.

It is an emirp because it is prime and its reverse (17121220220201) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 10202202212171 - 2⁶ = 10202202212107 is a prime.

It is a super-2 number, since 2×10202202212171² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (10202202212101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5101101106085 + 5101101106086.

It is an arithmetic number, because the mean of its divisors is an integer number (5101101106086).

Almost surely, 2^{10202202212171} is an apocalyptic number.

10202202212171 is a deficient number, since it is larger than the sum of its proper divisors (1).

10202202212171 is an equidigital number, since it uses as much as digits as its factorization.

10202202212171 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 10202202212171 its reverse (17121220220201), we get a palindrome (27323422432372).

The spelling of 10202202212171 in words is "ten trillion, two hundred two billion, two hundred two million, two hundred twelve thousand, one hundred seventy-one".