100111001001044 has 48 divisors (see below), whose sum is σ = 191959819833600. Its totient is φ = 45305290665600.

The previous prime is 100111001001043. The next prime is 100111001001049. The reversal of 100111001001044 is 440100100111001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100111001001043) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 647517302 + ... + 647671890.

It is an arithmetic number, because the mean of its divisors is an integer number (3999162913200).

Almost surely, 2^{100111001001044} is an apocalyptic number.

It is an amenable number.

100111001001044 is a deficient number, since it is larger than the sum of its proper divisors (91848818832556).

100111001001044 is a wasteful number, since it uses less digits than its factorization.

100111001001044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 219104 (or 219102 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 100111001001044 its reverse (440100100111001), we get a palindrome (540211101112045).

The spelling of 100111001001044 in words is "one hundred trillion, one hundred eleven billion, one million, one thousand, forty-four".