11232223111 has 4 divisors (see below), whose sum is σ = 11234658424. Its totient is φ = 11229787800.

The previous prime is 11232223109. The next prime is 11232223127. The reversal of 11232223111 is 11132223211.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11232223111 - 2¹ = 11232223109 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 (11232223151) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1210725 + ... + 1219966.

It is an arithmetic number, because the mean of its divisors is an integer number (2808664606).

Almost surely, 2^11232223111 is an apocalyptic number.

11232223111 is a deficient number, since it is larger than the sum of its proper divisors (2435313).

11232223111 is an equidigital number, since it uses as much as digits as its factorization.

11232223111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2435312.

The product of its digits is 144, while the sum is 19.

Adding to 11232223111 its reverse (11132223211), we get a palindrome (22364446322).

The spelling of 11232223111 in words is "eleven billion, two hundred thirty-two million, two hundred twenty-three thousand, one hundred eleven".