102210212020171 has 2 divisors, whose sum is σ = 102210212020172. Its totient is φ = 102210212020170.

The previous prime is 102210212020123. The next prime is 102210212020261. The reversal of 102210212020171 is 171020212012201.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 102210212020171 - 2¹⁹ = 102210211495883 is a prime.

It is not a weakly prime, because it can be changed into another prime (102210212090171) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51105106010085 + 51105106010086.

It is an arithmetic number, because the mean of its divisors is an integer number (51105106010086).

Almost surely, 2^{102210212020171} is an apocalyptic number.

102210212020171 is a deficient number, since it is larger than the sum of its proper divisors (1).

102210212020171 is an equidigital number, since it uses as much as digits as its factorization.

102210212020171 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 224, while the sum is 22.

Adding to 102210212020171 its reverse (171020212012201), we get a palindrome (273230424032372).

The spelling of 102210212020171 in words is "one hundred two trillion, two hundred ten billion, two hundred twelve million, twenty thousand, one hundred seventy-one".