11233221001 has 2 divisors, whose sum is σ = 11233221002. Its totient is φ = 11233221000.

The previous prime is 11233220989. The next prime is 11233221011. The reversal of 11233221001 is 10012233211.

11233221001 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., 10060090000 + 1173131001 = 100300^2 + 34251^2 .

It is a cyclic number.

It is not a de Polignac number, because 11233221001 - 2⁵ = 11233220969 is a prime.

It is not a weakly prime, because it can be changed into another prime (11233221011) 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, 5616610500 + 5616610501.

It is an arithmetic number, because the mean of its divisors is an integer number (5616610501).

Almost surely, 2^11233221001 is an apocalyptic number.

It is an amenable number.

11233221001 is a deficient number, since it is larger than the sum of its proper divisors (1).

11233221001 is an equidigital number, since it uses as much as digits as its factorization.

11233221001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 11233221001 its reverse (10012233211), we get a palindrome (21245454212).

The spelling of 11233221001 in words is "eleven billion, two hundred thirty-three million, two hundred twenty-one thousand, one".