11320012111 has 8 divisors (see below), whose sum is σ = 11695860864. Its totient is φ = 10944831360.

The previous prime is 11320012103. The next prime is 11320012127. The reversal of 11320012111 is 11121002311.

It is a happy number.

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 11320012111 - 2³ = 11320012103 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11320012091 and 11320012100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11320012141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 132430 + ... + 200443.

It is an arithmetic number, because the mean of its divisors is an integer number (1461982608).

Almost surely, 2^11320012111 is an apocalyptic number.

11320012111 is a deficient number, since it is larger than the sum of its proper divisors (375848753).

11320012111 is a wasteful number, since it uses less digits than its factorization.

11320012111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 334001.

The product of its (nonzero) digits is 12, while the sum is 13.

Adding to 11320012111 its reverse (11121002311), we get a palindrome (22441014422).

The spelling of 11320012111 in words is "eleven billion, three hundred twenty million, twelve thousand, one hundred eleven".