101113320505 has 4 divisors (see below), whose sum is σ = 121335984612. Its totient is φ = 80890656400.

The previous prime is 101113320499. The next prime is 101113320541. The reversal of 101113320505 is 505023311101.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 505023311101 = 198179 ⋅2548319.

It can be written as a sum of positive squares in 2 ways, for example, as 20971673856 + 80141646649 = 144816^2 + 283093^2 .

It is not a de Polignac number, because 101113320505 - 2¹⁷ = 101113189433 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10111332046 + ... + 10111332055.

It is an arithmetic number, because the mean of its divisors is an integer number (30333996153).

Almost surely, 2^101113320505 is an apocalyptic number.

It is an amenable number.

101113320505 is a deficient number, since it is larger than the sum of its proper divisors (20222664107).

101113320505 is an equidigital number, since it uses as much as digits as its factorization.

101113320505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20222664106.

The product of its (nonzero) digits is 450, while the sum is 22.

Adding to 101113320505 its reverse (505023311101), we get a palindrome (606136631606).

The spelling of 101113320505 in words is "one hundred one billion, one hundred thirteen million, three hundred twenty thousand, five hundred five".