210220201171 has 2 divisors, whose sum is σ = 210220201172. Its totient is φ = 210220201170.

The previous prime is 210220201157. The next prime is 210220201187. The reversal of 210220201171 is 171102022012.

210220201171 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 210220201171 - 2¹⁹ = 210219676883 is a prime.

It is not a weakly prime, because it can be changed into another prime (210220208171) 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, 105110100585 + 105110100586.

It is an arithmetic number, because the mean of its divisors is an integer number (105110100586).

Almost surely, 2^210220201171 is an apocalyptic number.

210220201171 is a deficient number, since it is larger than the sum of its proper divisors (1).

210220201171 is an equidigital number, since it uses as much as digits as its factorization.

210220201171 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 112, while the sum is 19.

Adding to 210220201171 its reverse (171102022012), we get a palindrome (381322223183).

The spelling of 210220201171 in words is "two hundred ten billion, two hundred twenty million, two hundred one thousand, one hundred seventy-one".