11221163 has 4 divisors (see below), whose sum is σ = 11583168. Its totient is φ = 10859160.

The previous prime is 11221159. The next prime is 11221181. The reversal of 11221163 is 36112211.

11221163 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11221163 - 2² = 11221159 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11221103) 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 3 ways as a sum of consecutive naturals, for example, 180956 + ... + 181017.

It is an arithmetic number, because the mean of its divisors is an integer number (2895792).

Almost surely, 2^11221163 is an apocalyptic number.

11221163 is a deficient number, since it is larger than the sum of its proper divisors (362005).

11221163 is an equidigital number, since it uses as much as digits as its factorization.

11221163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 362004.

The product of its digits is 72, while the sum is 17.

The square root of 11221163 is about 3349.8004418174. The cubic root of 11221163 is about 223.8786212621.

Adding to 11221163 its reverse (36112211), we get a palindrome (47333374).

The spelling of 11221163 in words is "eleven million, two hundred twenty-one thousand, one hundred sixty-three".