102130242003221 has 2 divisors, whose sum is σ = 102130242003222. Its totient is φ = 102130242003220.

The previous prime is 102130242003161. The next prime is 102130242003227. The reversal of 102130242003221 is 122300242031201.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 83619338098321 + 18510903904900 = 9144361^2 + 4302430^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-102130242003221 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102130242003227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51065121001610 + 51065121001611.

It is an arithmetic number, because the mean of its divisors is an integer number (51065121001611).

Almost surely, 2^{102130242003221} is an apocalyptic number.

It is an amenable number.

102130242003221 is a deficient number, since it is larger than the sum of its proper divisors (1).

102130242003221 is an equidigital number, since it uses as much as digits as its factorization.

102130242003221 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 102130242003221 its reverse (122300242031201), we get a palindrome (224430484034422).

The spelling of 102130242003221 in words is "one hundred two trillion, one hundred thirty billion, two hundred forty-two million, three thousand, two hundred twenty-one".