11421031224 has 32 divisors (see below), whose sum is σ = 28559243520. Its totient is φ = 3806121696.

The previous prime is 11421031151. The next prime is 11421031241. The reversal of 11421031224 is 42213012411.

It is a self number, because there is not a number n which added to its sum of digits gives 11421031224.

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, 53799 + ... + 160425.

It is an arithmetic number, because the mean of its divisors is an integer number (892476360).

Almost surely, 2^11421031224 is an apocalyptic number.

It is an amenable number.

11421031224 is an abundant number, since it is smaller than the sum of its proper divisors (17138212296).

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

11421031224 is a wasteful number, since it uses less digits than its factorization.

11421031224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111099 (or 111095 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 11421031224 its reverse (42213012411), we get a palindrome (53634043635).

The spelling of 11421031224 in words is "eleven billion, four hundred twenty-one million, thirty-one thousand, two hundred twenty-four".