11330221 has 12 divisors (see below), whose sum is σ = 13607040. Its totient is φ = 9397080.

The previous prime is 11330197. The next prime is 11330299. The reversal of 11330221 is 12203311.

It is not a de Polignac number, because 11330221 - 2⁷ = 11330093 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11330021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2211 + ... + 5248.

It is an arithmetic number, because the mean of its divisors is an integer number (1133920).

Almost surely, 2^11330221 is an apocalyptic number.

It is an amenable number.

11330221 is a deficient number, since it is larger than the sum of its proper divisors (2276819).

11330221 is an equidigital number, since it uses as much as digits as its factorization.

11330221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7504 (or 7497 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 11330221 is about 3366.0393640004. The cubic root of 11330221 is about 224.6015730768.

Adding to 11330221 its reverse (12203311), we get a palindrome (23533532).

The spelling of 11330221 in words is "eleven million, three hundred thirty thousand, two hundred twenty-one".