210002000122171 has 2 divisors, whose sum is σ = 210002000122172. Its totient is φ = 210002000122170.

The previous prime is 210002000122129. The next prime is 210002000122219. The reversal of 210002000122171 is 171221000200012.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 210002000122171 - 2⁹ = 210002000121659 is a prime.

It is not a weakly prime, because it can be changed into another prime (210002000122771) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105001000061085 + 105001000061086.

It is an arithmetic number, because the mean of its divisors is an integer number (105001000061086).

Almost surely, 2^{210002000122171} is an apocalyptic number.

210002000122171 is a deficient number, since it is larger than the sum of its proper divisors (1).

210002000122171 is an equidigital number, since it uses as much as digits as its factorization.

210002000122171 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 210002000122171 its reverse (171221000200012), we get a palindrome (381223000322183).

The spelling of 210002000122171 in words is "two hundred ten trillion, two billion, one hundred twenty-two thousand, one hundred seventy-one".