11221133 has 16 divisors (see below), whose sum is σ = 14225280. Its totient is φ = 8596800.

The previous prime is 11221127. The next prime is 11221141. The reversal of 11221133 is 33112211.

11221133 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 11221133 - 2⁶ = 11221069 is a prime.

It is a Duffinian number.

It is a zygodrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11221103) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3503 + ... + 5891.

It is an arithmetic number, because the mean of its divisors is an integer number (889080).

Almost surely, 2^11221133 is an apocalyptic number.

It is an amenable number.

11221133 is a deficient number, since it is larger than the sum of its proper divisors (3004147).

11221133 is a wasteful number, since it uses less digits than its factorization.

11221133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2468.

The product of its digits is 36, while the sum is 14.

The square root of 11221133 is about 3349.7959639357. The cubic root of 11221133 is about 223.8784217473.

Adding to 11221133 its reverse (33112211), we get a palindrome (44333344).

The spelling of 11221133 in words is "eleven million, two hundred twenty-one thousand, one hundred thirty-three".