11223103111 has 8 divisors (see below), whose sum is σ = 12331468800. Its totient is φ = 10129418040.

The previous prime is 11223103051. The next prime is 11223103159. The reversal of 11223103111 is 11130132211.

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 11223103111 - 2¹⁹ = 11222578823 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 (11223103511) 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, 3668551 + ... + 3671608.

It is an arithmetic number, because the mean of its divisors is an integer number (1541433600).

Almost surely, 2^11223103111 is an apocalyptic number.

11223103111 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

11223103111 is a deficient number, since it is larger than the sum of its proper divisors (1108365689).

11223103111 is a wasteful number, since it uses less digits than its factorization.

11223103111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7340309.

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 11223103111 its reverse (11130132211), we get a palindrome (22353235322).

The spelling of 11223103111 in words is "eleven billion, two hundred twenty-three million, one hundred three thousand, one hundred eleven".