2000202212171 has 2 divisors, whose sum is σ = 2000202212172. Its totient is φ = 2000202212170.

The previous prime is 2000202212143. The next prime is 2000202212221. The reversal of 2000202212171 is 1712122020002.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2000202212171 is a prime.

It is not a weakly prime, because it can be changed into another prime (2000202215171) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1000101106085 + 1000101106086.

It is an arithmetic number, because the mean of its divisors is an integer number (1000101106086).

Almost surely, 2^{2000202212171} is an apocalyptic number.

2000202212171 is a deficient number, since it is larger than the sum of its proper divisors (1).

2000202212171 is an equidigital number, since it uses as much as digits as its factorization.

2000202212171 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 224, while the sum is 20.

Adding to 2000202212171 its reverse (1712122020002), we get a palindrome (3712324232173).

The spelling of 2000202212171 in words is "two trillion, two hundred two million, two hundred twelve thousand, one hundred seventy-one".