10206244115321 has 2 divisors, whose sum is σ = 10206244115322. Its totient is φ = 10206244115320.

The previous prime is 10206244115299. The next prime is 10206244115359. The reversal of 10206244115321 is 12351144260201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9600150724921 + 606093390400 = 3098411^2 + 778520^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10206244115321 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (10206244165321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5103122057660 + 5103122057661.

It is an arithmetic number, because the mean of its divisors is an integer number (5103122057661).

Almost surely, 2^{10206244115321} is an apocalyptic number.

It is an amenable number.

10206244115321 is a deficient number, since it is larger than the sum of its proper divisors (1).

10206244115321 is an equidigital number, since it uses as much as digits as its factorization.

10206244115321 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11520, while the sum is 32.

Adding to 10206244115321 its reverse (12351144260201), we get a palindrome (22557388375522).

The spelling of 10206244115321 in words is "ten trillion, two hundred six billion, two hundred forty-four million, one hundred fifteen thousand, three hundred twenty-one".