20201110000171 has 2 divisors, whose sum is σ = 20201110000172. Its totient is φ = 20201110000170.

The previous prime is 20201110000133. The next prime is 20201110000229. The reversal of 20201110000171 is 17100001110202.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20201110000171 - 2⁹ = 20201109999659 is a prime.

It is not a weakly prime, because it can be changed into another prime (20201110007171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10100555000085 + 10100555000086.

It is an arithmetic number, because the mean of its divisors is an integer number (10100555000086).

Almost surely, 2^{20201110000171} is an apocalyptic number.

20201110000171 is a deficient number, since it is larger than the sum of its proper divisors (1).

20201110000171 is an equidigital number, since it uses as much as digits as its factorization.

20201110000171 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 16.

Adding to 20201110000171 its reverse (17100001110202), we get a palindrome (37301111110373).

The spelling of 20201110000171 in words is "twenty trillion, two hundred one billion, one hundred ten million, one hundred seventy-one", and thus it is an aban number.