100013323421044 has 24 divisors (see below), whose sum is σ = 190936656455328. Its totient is φ = 45460094430240.

The previous prime is 100013323421023. The next prime is 100013323421057. The reversal of 100013323421044 is 440124323310001.

It is a happy number.

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, 8674767 + ... + 16591510.

It is an arithmetic number, because the mean of its divisors is an integer number (7955694018972).

Almost surely, 2^{100013323421044} is an apocalyptic number.

It is an amenable number.

100013323421044 is a deficient number, since it is larger than the sum of its proper divisors (90923333034284).

100013323421044 is a wasteful number, since it uses less digits than its factorization.

100013323421044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25356255 (or 25356253 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 100013323421044 its reverse (440124323310001), we get a palindrome (540137646731045).

The spelling of 100013323421044 in words is "one hundred trillion, thirteen billion, three hundred twenty-three million, four hundred twenty-one thousand, forty-four".