10102323213221 has 2 divisors, whose sum is σ = 10102323213222. Its totient is φ = 10102323213220.

The previous prime is 10102323213217. The next prime is 10102323213299. The reversal of 10102323213221 is 12231232320101.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8956911696100 + 1145411517121 = 2992810^2 + 1070239^2 .

It is a cyclic number.

It is not a de Polignac number, because 10102323213221 - 2² = 10102323213217 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10102323212221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5051161606610 + 5051161606611.

It is an arithmetic number, because the mean of its divisors is an integer number (5051161606611).

Almost surely, 2^{10102323213221} is an apocalyptic number.

It is an amenable number.

10102323213221 is a deficient number, since it is larger than the sum of its proper divisors (1).

10102323213221 is an equidigital number, since it uses as much as digits as its factorization.

10102323213221 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 10102323213221 its reverse (12231232320101), we get a palindrome (22333555533322).

The spelling of 10102323213221 in words is "ten trillion, one hundred two billion, three hundred twenty-three million, two hundred thirteen thousand, two hundred twenty-one".