11103032111 has 8 divisors (see below), whose sum is σ = 11241828000. Its totient is φ = 10964802400.

The previous prime is 11103032089. The next prime is 11103032117. The reversal of 11103032111 is 11123030111.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11103032111 - 2¹⁴ = 11103015727 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 (11103032117) 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, 102011 + ... + 180588.

It is an arithmetic number, because the mean of its divisors is an integer number (1405228500).

Almost surely, 2^11103032111 is an apocalyptic number.

11103032111 is a deficient number, since it is larger than the sum of its proper divisors (138795889).

11103032111 is a wasteful number, since it uses less digits than its factorization.

11103032111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 283089.

The product of its (nonzero) digits is 18, while the sum is 14.

Adding to 11103032111 its reverse (11123030111), we get a palindrome (22226062222).

The spelling of 11103032111 in words is "eleven billion, one hundred three million, thirty-two thousand, one hundred eleven".