11231321224 has 16 divisors (see below), whose sum is σ = 21572355420. Its totient is φ = 5478693120.

The previous prime is 11231321219. The next prime is 11231321237. The reversal of 11231321224 is 42212313211.

It can be written as a sum of positive squares in 2 ways, for example, as 8801817124 + 2429504100 = 93818^2 + 49290^2 .

It is a super-2 number, since 2×11231321224² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11231321195 and 11231321204.

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, 17120589 + ... + 17121244.

Almost surely, 2^11231321224 is an apocalyptic number.

It is an amenable number.

11231321224 is a deficient number, since it is larger than the sum of its proper divisors (10341034196).

11231321224 is a wasteful number, since it uses less digits than its factorization.

11231321224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34241880 (or 34241876 counting only the distinct ones).

The product of its digits is 576, while the sum is 22.

Adding to 11231321224 its reverse (42212313211), we get a palindrome (53443634435).

The spelling of 11231321224 in words is "eleven billion, two hundred thirty-one million, three hundred twenty-one thousand, two hundred twenty-four".