102000019171 has 2 divisors, whose sum is σ = 102000019172. Its totient is φ = 102000019170.

The previous prime is 102000019153. The next prime is 102000019211. The reversal of 102000019171 is 171910000201.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 102000019171 - 2¹⁷ = 101999888099 is a prime.

It is not a weakly prime, because it can be changed into another prime (102000019141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51000009585 + 51000009586.

It is an arithmetic number, because the mean of its divisors is an integer number (51000009586).

Almost surely, 2^102000019171 is an apocalyptic number.

102000019171 is a deficient number, since it is larger than the sum of its proper divisors (1).

102000019171 is an equidigital number, since it uses as much as digits as its factorization.

102000019171 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 126, while the sum is 22.

Adding to 102000019171 its reverse (171910000201), we get a palindrome (273910019372).

The spelling of 102000019171 in words is "one hundred two billion, nineteen thousand, one hundred seventy-one".