11223223311 has 4 divisors (see below), whose sum is σ = 14964297752. Its totient is φ = 7482148872.

The previous prime is 11223223309. The next prime is 11223223321. The reversal of 11223223311 is 11332232211.

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

It is not a de Polignac number, because 11223223311 - 2¹ = 11223223309 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 (11223223321) 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, 1870537216 + ... + 1870537221.

It is an arithmetic number, because the mean of its divisors is an integer number (3741074438).

Almost surely, 2^11223223311 is an apocalyptic number.

11223223311 is a deficient number, since it is larger than the sum of its proper divisors (3741074441).

11223223311 is an equidigital number, since it uses as much as digits as its factorization.

11223223311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3741074440.

The product of its digits is 432, while the sum is 21.

Adding to 11223223311 its reverse (11332232211), we get a palindrome (22555455522).

The spelling of 11223223311 in words is "eleven billion, two hundred twenty-three million, two hundred twenty-three thousand, three hundred eleven".