202101011171 has 2 divisors, whose sum is σ = 202101011172. Its totient is φ = 202101011170.

The previous prime is 202101011089. The next prime is 202101011197. The reversal of 202101011171 is 171110101202.

202101011171 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 202101011171 - 2¹⁸ = 202100749027 is a prime.

It is not a weakly prime, because it can be changed into another prime (202101011071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101050505585 + 101050505586.

It is an arithmetic number, because the mean of its divisors is an integer number (101050505586).

Almost surely, 2^202101011171 is an apocalyptic number.

202101011171 is a deficient number, since it is larger than the sum of its proper divisors (1).

202101011171 is an equidigital number, since it uses as much as digits as its factorization.

202101011171 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 17.

Adding to 202101011171 its reverse (171110101202), we get a palindrome (373211112373).

The spelling of 202101011171 in words is "two hundred two billion, one hundred one million, eleven thousand, one hundred seventy-one".