100440021226 has 8 divisors (see below), whose sum is σ = 150867269280. Its totient is φ = 50150931468.

The previous prime is 100440021191. The next prime is 100440021239. The reversal of 100440021226 is 622120044001.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 100440021197 and 100440021206.

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, 34537756 + ... + 34540663.

It is an arithmetic number, because the mean of its divisors is an integer number (18858408660).

Almost surely, 2^100440021226 is an apocalyptic number.

100440021226 is a deficient number, since it is larger than the sum of its proper divisors (50427248054).

100440021226 is an equidigital number, since it uses as much as digits as its factorization.

100440021226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69079148.

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 100440021226 its reverse (622120044001), we get a palindrome (722560065227).

The spelling of 100440021226 in words is "one hundred billion, four hundred forty million, twenty-one thousand, two hundred twenty-six".