11221300 has 18 divisors (see below), whose sum is σ = 24350438. Its totient is φ = 4488480.

The previous prime is 11221283. The next prime is 11221303. The reversal of 11221300 is 312211.

11221300 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 318096 + 10903204 = 564^2 + 3302^2 .

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11221303) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 56007 + ... + 56206.

Almost surely, 2^11221300 is an apocalyptic number.

11221300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11221300 is an abundant number, since it is smaller than the sum of its proper divisors (13129138).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11221300 is a wasteful number, since it uses less digits than its factorization.

11221300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112227 (or 112220 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 10.

The square root of 11221300 is about 3349.8208907343. The cubic root of 11221300 is about 223.8795323753.

Adding to 11221300 its reverse (312211), we get a palindrome (11533511).

It can be divided in two parts, 112 and 21300, that added together give a palindrome (21412).

The spelling of 11221300 in words is "eleven million, two hundred twenty-one thousand, three hundred".