100001001100001 has 4 divisors (see below), whose sum is σ = 100020612990000. Its totient is φ = 99981389210004.

The previous prime is 100001001099917. The next prime is 100001001100061. The reversal of 100001001100001 is 100001100100001.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 100001001100001 - 2³⁸ = 99726123193057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100001001100061) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9805937351 + ... + 9805947548.

It is an arithmetic number, because the mean of its divisors is an integer number (25005153247500).

Almost surely, 2^{100001001100001} is an apocalyptic number.

It is an amenable number.

100001001100001 is a deficient number, since it is larger than the sum of its proper divisors (19611889999).

100001001100001 is an equidigital number, since it uses as much as digits as its factorization.

100001001100001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19611889998.

The product of its (nonzero) digits is 1, while the sum is 5.

Adding to 100001001100001 its reverse (100001100100001), we get a palindrome (200002101200002).

The spelling of 100001001100001 in words is "one hundred trillion, one billion, one million, one hundred thousand, one".