11321000111 has 16 divisors (see below), whose sum is σ = 12069951264. Its totient is φ = 10581417984.

The previous prime is 11321000057. The next prime is 11321000113. The reversal of 11321000111 is 11100012311.

It is a happy number.

It is not a de Polignac number, because 11321000111 - 2¹⁴ = 11320983727 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11321000092 and 11321000101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11321000113) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3577616 + ... + 3580778.

It is an arithmetic number, because the mean of its divisors is an integer number (754371954).

Almost surely, 2^11321000111 is an apocalyptic number.

11321000111 is a deficient number, since it is larger than the sum of its proper divisors (748951153).

11321000111 is a wasteful number, since it uses less digits than its factorization.

11321000111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4570.

The product of its (nonzero) digits is 6, while the sum is 11.

Adding to 11321000111 its reverse (11100012311), we get a palindrome (22421012422).

The spelling of 11321000111 in words is "eleven billion, three hundred twenty-one million, one hundred eleven", and thus it is an aban number.