11330213221 has 2 divisors, whose sum is σ = 11330213222. Its totient is φ = 11330213220.

The previous prime is 11330213143. The next prime is 11330213231. The reversal of 11330213221 is 12231203311.

11330213221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10047857121 + 1282356100 = 100239^2 + 35810^2 .

It is an emirp because it is prime and its reverse (12231203311) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11330213221 - 2⁷ = 11330213093 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11330213231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5665106610 + 5665106611.

It is an arithmetic number, because the mean of its divisors is an integer number (5665106611).

Almost surely, 2^11330213221 is an apocalyptic number.

It is an amenable number.

11330213221 is a deficient number, since it is larger than the sum of its proper divisors (1).

11330213221 is an equidigital number, since it uses as much as digits as its factorization.

11330213221 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 11330213221 its reverse (12231203311), we get a palindrome (23561416532).

The spelling of 11330213221 in words is "eleven billion, three hundred thirty million, two hundred thirteen thousand, two hundred twenty-one".