201202011110171 has 2 divisors, whose sum is σ = 201202011110172. Its totient is φ = 201202011110170.

The previous prime is 201202011110119. The next prime is 201202011110189. The reversal of 201202011110171 is 171011110202102.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 201202011110171 - 2²⁶ = 201201944001307 is a prime.

It is not a weakly prime, because it can be changed into another prime (201202011110671) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100601005555085 + 100601005555086.

It is an arithmetic number, because the mean of its divisors is an integer number (100601005555086).

Almost surely, 2^{201202011110171} is an apocalyptic number.

201202011110171 is a deficient number, since it is larger than the sum of its proper divisors (1).

201202011110171 is an equidigital number, since it uses as much as digits as its factorization.

201202011110171 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 56, while the sum is 20.

Adding to 201202011110171 its reverse (171011110202102), we get a palindrome (372213121312273).

The spelling of 201202011110171 in words is "two hundred one trillion, two hundred two billion, eleven million, one hundred ten thousand, one hundred seventy-one".