100002002171 has 2 divisors, whose sum is σ = 100002002172. Its totient is φ = 100002002170.

The previous prime is 100002002167. The next prime is 100002002179. The reversal of 100002002171 is 171200200001.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 100002002171 - 2² = 100002002167 is a prime.

It is not a weakly prime, because it can be changed into another prime (100002002179) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50001001085 + 50001001086.

It is an arithmetic number, because the mean of its divisors is an integer number (50001001086).

Almost surely, 2^100002002171 is an apocalyptic number.

100002002171 is a deficient number, since it is larger than the sum of its proper divisors (1).

100002002171 is an equidigital number, since it uses as much as digits as its factorization.

100002002171 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 28, while the sum is 14.

Adding to 100002002171 its reverse (171200200001), we get a palindrome (271202202172).

The spelling of 100002002171 in words is "one hundred billion, two million, two thousand, one hundred seventy-one".