11124220224 has 56 divisors (see below), whose sum is σ = 31696903840. Its totient is φ = 3422836224.

The previous prime is 11124220207. The next prime is 11124220259. The reversal of 11124220224 is 42202242111.

It is a super-2 number, since 2×11124220224² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 11124220224.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2225914 + ... + 2230905.

It is an arithmetic number, because the mean of its divisors is an integer number (566016140).

Almost surely, 2^11124220224 is an apocalyptic number.

It is an amenable number.

11124220224 is an abundant number, since it is smaller than the sum of its proper divisors (20572683616).

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

11124220224 is a wasteful number, since it uses less digits than its factorization.

11124220224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4456847 (or 4456837 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 11124220224 its reverse (42202242111), we get a palindrome (53326462335).

The spelling of 11124220224 in words is "eleven billion, one hundred twenty-four million, two hundred twenty thousand, two hundred twenty-four".