11221230231317 has 2 divisors, whose sum is σ = 11221230231318. Its totient is φ = 11221230231316.

The previous prime is 11221230231221. The next prime is 11221230231329. The reversal of 11221230231317 is 71313203212211.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7636081115716 + 3585149115601 = 2763346^2 + 1893449^2 .

It is a cyclic number.

It is not a de Polignac number, because 11221230231317 - 2¹⁰ = 11221230230293 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11221230231317.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11221230231017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5610615115658 + 5610615115659.

It is an arithmetic number, because the mean of its divisors is an integer number (5610615115659).

Almost surely, 2^{11221230231317} is an apocalyptic number.

It is an amenable number.

11221230231317 is a deficient number, since it is larger than the sum of its proper divisors (1).

11221230231317 is an equidigital number, since it uses as much as digits as its factorization.

11221230231317 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3024, while the sum is 29.

Adding to 11221230231317 its reverse (71313203212211), we get a palindrome (82534433443528).

The spelling of 11221230231317 in words is "eleven trillion, two hundred twenty-one billion, two hundred thirty million, two hundred thirty-one thousand, three hundred seventeen".