1001000111171 has 2 divisors, whose sum is σ = 1001000111172. Its totient is φ = 1001000111170.

The previous prime is 1001000111129. The next prime is 1001000111191. The reversal of 1001000111171 is 1711110001001.

It is a strong prime.

It is an emirp because it is prime and its reverse (1711110001001) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1001000111171 - 2³⁰ = 999926369347 is a prime.

It is not a weakly prime, because it can be changed into another prime (1001000111191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 500500055585 + 500500055586.

It is an arithmetic number, because the mean of its divisors is an integer number (500500055586).

Almost surely, 2^{1001000111171} is an apocalyptic number.

1001000111171 is a deficient number, since it is larger than the sum of its proper divisors (1).

1001000111171 is an equidigital number, since it uses as much as digits as its factorization.

1001000111171 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7, while the sum is 14.

Adding to 1001000111171 its reverse (1711110001001), we get a palindrome (2712110112172).

The spelling of 1001000111171 in words is "one trillion, one billion, one hundred eleven thousand, one hundred seventy-one".