11321100205 has 8 divisors (see below), whose sum is σ = 13586030712. Its totient is φ = 9056406528.

The previous prime is 11321100083. The next prime is 11321100209. The reversal of 11321100205 is 50200112311.

11321100205 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 433847241 + 10887252964 = 20829^2 + 104342^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11321100205 - 2¹⁷ = 11320969133 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 (11321100209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72669 + ... + 167101.

It is an arithmetic number, because the mean of its divisors is an integer number (1698253839).

Almost surely, 2^11321100205 is an apocalyptic number.

It is an amenable number.

11321100205 is a deficient number, since it is larger than the sum of its proper divisors (2264930507).

11321100205 is an equidigital number, since it uses as much as digits as its factorization.

11321100205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118415.

The product of its (nonzero) digits is 60, while the sum is 16.

Adding to 11321100205 its reverse (50200112311), we get a palindrome (61521212516).

The spelling of 11321100205 in words is "eleven billion, three hundred twenty-one million, one hundred thousand, two hundred five".