100020112044 has 12 divisors (see below), whose sum is σ = 233380261464. Its totient is φ = 33340037344.

The previous prime is 100020112043. The next prime is 100020112057. The reversal of 100020112044 is 440211020001.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (100020112043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4167504657 + ... + 4167504680.

It is an arithmetic number, because the mean of its divisors is an integer number (19448355122).

Almost surely, 2^100020112044 is an apocalyptic number.

It is an amenable number.

100020112044 is an abundant number, since it is smaller than the sum of its proper divisors (133360149420).

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

100020112044 is a wasteful number, since it uses less digits than its factorization.

100020112044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8335009344 (or 8335009342 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 100020112044 its reverse (440211020001), we get a palindrome (540231132045).

The spelling of 100020112044 in words is "one hundred billion, twenty million, one hundred twelve thousand, forty-four".