102221011213 has 2 divisors, whose sum is σ = 102221011214. Its totient is φ = 102221011212.

The previous prime is 102221011183. The next prime is 102221011219. The reversal of 102221011213 is 312110122201.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 87002581444 + 15218429769 = 294962^2 + 123363^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-102221011213 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102221011219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51110505606 + 51110505607.

It is an arithmetic number, because the mean of its divisors is an integer number (51110505607).

Almost surely, 2^102221011213 is an apocalyptic number.

It is an amenable number.

102221011213 is a deficient number, since it is larger than the sum of its proper divisors (1).

102221011213 is an equidigital number, since it uses as much as digits as its factorization.

102221011213 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 102221011213 its reverse (312110122201), we get a palindrome (414331133414).

The spelling of 102221011213 in words is "one hundred two billion, two hundred twenty-one million, eleven thousand, two hundred thirteen".