11233210321 has 2 divisors, whose sum is σ = 11233210322. Its totient is φ = 11233210320.

The previous prime is 11233210283. The next prime is 11233210337. The reversal of 11233210321 is 12301233211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9131904721 + 2101305600 = 95561^2 + 45840^2 .

It is an emirp because it is prime and its reverse (12301233211) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11233210321 - 2⁹ = 11233209809 is a prime.

It is not a weakly prime, because it can be changed into another prime (11233210361) 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, 5616605160 + 5616605161.

It is an arithmetic number, because the mean of its divisors is an integer number (5616605161).

Almost surely, 2^11233210321 is an apocalyptic number.

It is an amenable number.

11233210321 is a deficient number, since it is larger than the sum of its proper divisors (1).

11233210321 is an equidigital number, since it uses as much as digits as its factorization.

11233210321 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 11233210321 its reverse (12301233211), we get a palindrome (23534443532).

The spelling of 11233210321 in words is "eleven billion, two hundred thirty-three million, two hundred ten thousand, three hundred twenty-one".