100443400044101 has 16 divisors (see below), whose sum is σ = 101082060892080. Its totient is φ = 99807090647040.

The previous prime is 100443400044077. The next prime is 100443400044103. The reversal of 100443400044101 is 101440004344001.

It can be written as a sum of positive squares in 8 ways, for example, as 635008171876 + 99808391872225 = 796874^2 + 9990415^2 .

It is a cyclic number.

It is not a de Polignac number, because 100443400044101 - 2⁶ = 100443400044037 is a prime.

It is a super-2 number, since 2×100443400044101² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100443400044103) 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, 157607645 + ... + 158243661.

It is an arithmetic number, because the mean of its divisors is an integer number (6317628805755).

Almost surely, 2^{100443400044101} is an apocalyptic number.

It is an amenable number.

100443400044101 is a deficient number, since it is larger than the sum of its proper divisors (638660847979).

100443400044101 is a wasteful number, since it uses less digits than its factorization.

100443400044101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 637864.

The product of its (nonzero) digits is 3072, while the sum is 26.

Adding to 100443400044101 its reverse (101440004344001), we get a palindrome (201883404388102).

The spelling of 100443400044101 in words is "one hundred trillion, four hundred forty-three billion, four hundred million, forty-four thousand, one hundred one".