11220112424 has 16 divisors (see below), whose sum is σ = 21069937620. Its totient is φ = 5601462400.

The previous prime is 11220112411. The next prime is 11220112433. The reversal of 11220112424 is 42421102211.

It can be written as a sum of positive squares in 2 ways, for example, as 8691832900 + 2528279524 = 93230^2 + 50282^2 .

It is a junction number, because it is equal to n+sod(n) for n = 11220112396 and 11220112405.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1068677 + ... + 1079124.

Almost surely, 2^11220112424 is an apocalyptic number.

It is an amenable number.

11220112424 is a deficient number, since it is larger than the sum of its proper divisors (9849825196).

11220112424 is a wasteful number, since it uses less digits than its factorization.

11220112424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2148460 (or 2148456 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 11220112424 its reverse (42421102211), we get a palindrome (53641214635).

The spelling of 11220112424 in words is "eleven billion, two hundred twenty million, one hundred twelve thousand, four hundred twenty-four".