11113334321 has 4 divisors (see below), whose sum is σ = 11113921572. Its totient is φ = 11112747072.

The previous prime is 11113334311. The next prime is 11113334339. The reversal of 11113334321 is 12343331111.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 12343331111 = 10141 ⋅1217171.

It can be written as a sum of positive squares in 2 ways, for example, as 9429381025 + 1683953296 = 97105^2 + 41036^2 .

It is a cyclic number.

It is not a de Polignac number, because 11113334321 - 2⁶ = 11113334257 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (11113334311) 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, 264260 + ... + 303413.

It is an arithmetic number, because the mean of its divisors is an integer number (2778480393).

Almost surely, 2^11113334321 is an apocalyptic number.

It is an amenable number.

11113334321 is a deficient number, since it is larger than the sum of its proper divisors (587251).

11113334321 is an equidigital number, since it uses as much as digits as its factorization.

11113334321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 587250.

The product of its digits is 648, while the sum is 23.

Adding to 11113334321 its reverse (12343331111), we get a palindrome (23456665432).

The spelling of 11113334321 in words is "eleven billion, one hundred thirteen million, three hundred thirty-four thousand, three hundred twenty-one".