130221102217 has 2 divisors, whose sum is σ = 130221102218. Its totient is φ = 130221102216.

The previous prime is 130221102197. The next prime is 130221102223. The reversal of 130221102217 is 712201122031.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 130220661321 + 440896 = 360861^2 + 664^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-130221102217 is a prime.

It is a super-2 number, since 2×130221102217² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (130221109217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65110551108 + 65110551109.

It is an arithmetic number, because the mean of its divisors is an integer number (65110551109).

Almost surely, 2^130221102217 is an apocalyptic number.

It is an amenable number.

130221102217 is a deficient number, since it is larger than the sum of its proper divisors (1).

130221102217 is an equidigital number, since it uses as much as digits as its factorization.

130221102217 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 336, while the sum is 22.

Adding to 130221102217 its reverse (712201122031), we get a palindrome (842422224248).

The spelling of 130221102217 in words is "one hundred thirty billion, two hundred twenty-one million, one hundred two thousand, two hundred seventeen".