11323221113 has 4 divisors (see below), whose sum is σ = 11405872500. Its totient is φ = 11240569728.

The previous prime is 11323221101. The next prime is 11323221211. The reversal of 11323221113 is 31112232311.

It is a happy number.

11323221113 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 31112232311 = 97 ⋅320744663.

It can be written as a sum of positive squares in 2 ways, for example, as 2029682704 + 9293538409 = 45052^2 + 96403^2 .

It is a cyclic number.

It is not a de Polignac number, because 11323221113 - 2¹⁰ = 11323220089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11323221313) 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 3 ways as a sum of consecutive naturals, for example, 41325488 + ... + 41325761.

It is an arithmetic number, because the mean of its divisors is an integer number (2851468125).

Almost surely, 2^11323221113 is an apocalyptic number.

It is an amenable number.

11323221113 is a deficient number, since it is larger than the sum of its proper divisors (82651387).

11323221113 is an equidigital number, since it uses as much as digits as its factorization.

11323221113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82651386.

The product of its digits is 216, while the sum is 20.

Adding to 11323221113 its reverse (31112232311), we get a palindrome (42435453424).

The spelling of 11323221113 in words is "eleven billion, three hundred twenty-three million, two hundred twenty-one thousand, one hundred thirteen".