102002221110217 has 2 divisors, whose sum is σ = 102002221110218. Its totient is φ = 102002221110216.

The previous prime is 102002221110161. The next prime is 102002221110233. The reversal of 102002221110217 is 712011122200201.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 80236161311296 + 21766059798921 = 8957464^2 + 4665411^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-102002221110217 is a prime.

It is a super-2 number, since 2×102002221110217² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (102002221110277) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51001110555108 + 51001110555109.

It is an arithmetic number, because the mean of its divisors is an integer number (51001110555109).

Almost surely, 2^{102002221110217} is an apocalyptic number.

It is an amenable number.

102002221110217 is a deficient number, since it is larger than the sum of its proper divisors (1).

102002221110217 is an equidigital number, since it uses as much as digits as its factorization.

102002221110217 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 22.

Adding to 102002221110217 its reverse (712011122200201), we get a palindrome (814013343310418).

The spelling of 102002221110217 in words is "one hundred two trillion, two billion, two hundred twenty-one million, one hundred ten thousand, two hundred seventeen".