100440021224 has 16 divisors (see below), whose sum is σ = 188695037700. Its totient is φ = 50121344512.

The previous prime is 100440021191. The next prime is 100440021239. The reversal of 100440021224 is 422120044001.

100440021224 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 99867376324 + 572644900 = 316018^2 + 23930^2 .

It is a junction number, because it is equal to n+sod(n) for n = 100440021196 and 100440021205.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12328937 + ... + 12337080.

Almost surely, 2^100440021224 is an apocalyptic number.

It is an amenable number.

100440021224 is a deficient number, since it is larger than the sum of its proper divisors (88255016476).

100440021224 is a wasteful number, since it uses less digits than its factorization.

100440021224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24666532 (or 24666528 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

Adding to 100440021224 its reverse (422120044001), we get a palindrome (522560065225).

The spelling of 100440021224 in words is "one hundred billion, four hundred forty million, twenty-one thousand, two hundred twenty-four".