102220022171 has 2 divisors, whose sum is σ = 102220022172. Its totient is φ = 102220022170.

The previous prime is 102220022167. The next prime is 102220022207. The reversal of 102220022171 is 171220022201.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 102220022171 - 2² = 102220022167 is a prime.

It is not a weakly prime, because it can be changed into another prime (102220022771) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51110011085 + 51110011086.

It is an arithmetic number, because the mean of its divisors is an integer number (51110011086).

Almost surely, 2^102220022171 is an apocalyptic number.

102220022171 is a deficient number, since it is larger than the sum of its proper divisors (1).

102220022171 is an equidigital number, since it uses as much as digits as its factorization.

102220022171 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 224, while the sum is 20.

Adding to 102220022171 its reverse (171220022201), we get a palindrome (273440044372).

The spelling of 102220022171 in words is "one hundred two billion, two hundred twenty million, twenty-two thousand, one hundred seventy-one".