11123232211 has 12 divisors (see below), whose sum is σ = 13934599392. Its totient is φ = 8800798608.

The previous prime is 11123232191. The next prime is 11123232247. The reversal of 11123232211 is 11223232111.

It is not a de Polignac number, because 11123232211 - 2¹¹ = 11123230163 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11123232011) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8730315 + ... + 8731588.

It is an arithmetic number, because the mean of its divisors is an integer number (1161216616).

Almost surely, 2^11123232211 is an apocalyptic number.

11123232211 is a deficient number, since it is larger than the sum of its proper divisors (2811367181).

11123232211 is a wasteful number, since it uses less digits than its factorization.

11123232211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17461930 (or 17461923 counting only the distinct ones).

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

Adding to 11123232211 its reverse (11223232111), we get a palindrome (22346464322).

It can be divided in two parts, 1112 and 3232211, that added together give a palindrome (3233323).

The spelling of 11123232211 in words is "eleven billion, one hundred twenty-three million, two hundred thirty-two thousand, two hundred eleven".