11221045 has 8 divisors (see below), whose sum is σ = 14689440. Its totient is φ = 8160720.

The previous prime is 11221043. The next prime is 11221051. The reversal of 11221045 is 54012211.

11221045 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11221045 - 2¹ = 11221043 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11221043) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 101955 + ... + 102064.

It is an arithmetic number, because the mean of its divisors is an integer number (1836180).

Almost surely, 2^11221045 is an apocalyptic number.

It is an amenable number.

11221045 is a deficient number, since it is larger than the sum of its proper divisors (3468395).

11221045 is a wasteful number, since it uses less digits than its factorization.

11221045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204035.

The product of its (nonzero) digits is 80, while the sum is 16.

The square root of 11221045 is about 3349.7828287816. The cubic root of 11221045 is about 223.8778365018.

Adding to 11221045 its reverse (54012211), we get a palindrome (65233256).

The spelling of 11221045 in words is "eleven million, two hundred twenty-one thousand, forty-five".