11134321111 has 4 divisors (see below), whose sum is σ = 11161544800. Its totient is φ = 11107097424.

The previous prime is 11134321021. The next prime is 11134321123. The reversal of 11134321111 is 11112343111.

11134321111 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.

It is a cyclic number.

It is not a de Polignac number, because 11134321111 - 2⁷ = 11134320983 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 (11134321811) 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, 13611231 + ... + 13612048.

It is an arithmetic number, because the mean of its divisors is an integer number (2790386200).

Almost surely, 2^11134321111 is an apocalyptic number.

11134321111 is a deficient number, since it is larger than the sum of its proper divisors (27223689).

11134321111 is an equidigital number, since it uses as much as digits as its factorization.

11134321111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27223688.

The product of its digits is 72, while the sum is 19.

Adding to 11134321111 its reverse (11112343111), we get a palindrome (22246664222).

The spelling of 11134321111 in words is "eleven billion, one hundred thirty-four million, three hundred twenty-one thousand, one hundred eleven".