1000200200171 has 2 divisors, whose sum is σ = 1000200200172. Its totient is φ = 1000200200170.

The previous prime is 1000200200159. The next prime is 1000200200231. The reversal of 1000200200171 is 1710020020001.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1000200200171 - 2²² = 1000196005867 is a prime.

It is not a weakly prime, because it can be changed into another prime (1000200202171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 500100100085 + 500100100086.

It is an arithmetic number, because the mean of its divisors is an integer number (500100100086).

Almost surely, 2^{1000200200171} is an apocalyptic number.

1000200200171 is a deficient number, since it is larger than the sum of its proper divisors (1).

1000200200171 is an equidigital number, since it uses as much as digits as its factorization.

1000200200171 is an evil number, because the sum of its binary digits is even.

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

Adding to 1000200200171 its reverse (1710020020001), we get a palindrome (2710220220172).

The spelling of 1000200200171 in words is "one trillion, two hundred million, two hundred thousand, one hundred seventy-one".