10001101100101 has 4 divisors (see below), whose sum is σ = 10002111220204. Its totient is φ = 10000090980000.

The previous prime is 10001101100021. The next prime is 10001101100173. The reversal of 10001101100101 is 10100110110001.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 8282878244001 + 1718222856100 = 2877999^2 + 1310810^2 .

It is a cyclic number.

It is not a de Polignac number, because 10001101100101 - 2²⁷ = 10000966882373 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10001101100701) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 505045200 + ... + 505065001.

It is an arithmetic number, because the mean of its divisors is an integer number (2500527805051).

Almost surely, 2^{10001101100101} is an apocalyptic number.

It is an amenable number.

10001101100101 is a deficient number, since it is larger than the sum of its proper divisors (1010120103).

10001101100101 is an equidigital number, since it uses as much as digits as its factorization.

10001101100101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1010120102.

The product of its (nonzero) digits is 1, while the sum is 7.

Adding to 10001101100101 its reverse (10100110110001), we get a palindrome (20101211210102).

The spelling of 10001101100101 in words is "ten trillion, one billion, one hundred one million, one hundred thousand, one hundred one".