11221124 has 12 divisors (see below), whose sum is σ = 19914048. Its totient is φ = 5531400.

The previous prime is 11221123. The next prime is 11221127. The reversal of 11221124 is 42112211.

It is a happy number.

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 11221099 and 11221108.

It is not an unprimeable number, because it can be changed into a prime (11221123) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19472 + ... + 20039.

It is an arithmetic number, because the mean of its divisors is an integer number (1659504).

Almost surely, 2^11221124 is an apocalyptic number.

It is an amenable number.

11221124 is a deficient number, since it is larger than the sum of its proper divisors (8692924).

11221124 is a wasteful number, since it uses less digits than its factorization.

11221124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39586 (or 39584 counting only the distinct ones).

The product of its digits is 32, while the sum is 14.

The square root of 11221124 is about 3349.7946205700. The cubic root of 11221124 is about 223.8783618928.

Adding to 11221124 its reverse (42112211), we get a palindrome (53333335).

The spelling of 11221124 in words is "eleven million, two hundred twenty-one thousand, one hundred twenty-four".