11320111 has 8 divisors (see below), whose sum is σ = 12582864. Its totient is φ = 10096320.

The previous prime is 11320097. The next prime is 11320129. The reversal of 11320111 is 11102311.

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 11320111 - 2⁷ = 11319983 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 (11320151) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9126 + ... + 10291.

It is an arithmetic number, because the mean of its divisors is an integer number (1572858).

Almost surely, 2^11320111 is an apocalyptic number.

11320111 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

11320111 is a deficient number, since it is larger than the sum of its proper divisors (1262753).

11320111 is a wasteful number, since it uses less digits than its factorization.

11320111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19481.

The product of its (nonzero) digits is 6, while the sum is 10.

The square root of 11320111 is about 3364.5372638745. The cubic root of 11320111 is about 224.5347489131.

Adding to 11320111 its reverse (11102311), we get a palindrome (22422422).

The spelling of 11320111 in words is "eleven million, three hundred twenty thousand, one hundred eleven".