102413412221 has 2 divisors, whose sum is σ = 102413412222. Its totient is φ = 102413412220.

The previous prime is 102413412203. The next prime is 102413412251. The reversal of 102413412221 is 122214314201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 92574756121 + 9838656100 = 304261^2 + 99190^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-102413412221 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102413412251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51206706110 + 51206706111.

It is an arithmetic number, because the mean of its divisors is an integer number (51206706111).

Almost surely, 2^102413412221 is an apocalyptic number.

It is an amenable number.

102413412221 is a deficient number, since it is larger than the sum of its proper divisors (1).

102413412221 is an equidigital number, since it uses as much as digits as its factorization.

102413412221 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 768, while the sum is 23.

Adding to 102413412221 its reverse (122214314201), we get a palindrome (224627726422).

The spelling of 102413412221 in words is "one hundred two billion, four hundred thirteen million, four hundred twelve thousand, two hundred twenty-one".