101000000100101 has 4 divisors (see below), whose sum is σ = 101073561645612. Its totient is φ = 100926438554592.

The previous prime is 101000000100049. The next prime is 101000000100127. The reversal of 101000000100101 is 101001000000101.

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 88590901851076 + 12409098249025 = 9412274^2 + 3522655^2 .

It is a cyclic number.

It is not a de Polignac number, because 101000000100101 - 2²² = 100999995905797 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 (101000000102101) 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, 36780770696 + ... + 36780773441.

It is an arithmetic number, because the mean of its divisors is an integer number (25268390411403).

Almost surely, 2^{101000000100101} is an apocalyptic number.

It is an amenable number.

101000000100101 is a deficient number, since it is larger than the sum of its proper divisors (73561545511).

101000000100101 is an equidigital number, since it uses as much as digits as its factorization.

101000000100101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73561545510.

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

Adding to 101000000100101 its reverse (101001000000101), we get a palindrome (202001000100202).

The spelling of 101000000100101 in words is "one hundred one trillion, one hundred thousand, one hundred one".