223311311111 has 16 divisors (see below), whose sum is σ = 264292773888. Its totient is φ = 184639521600.

The previous prime is 223311311089. The next prime is 223311311147. The reversal of 223311311111 is 111113113322.

It is a de Polignac number, because none of the positive numbers 2^k-223311311111 is a prime.

It is a super-2 number, since 2×223311311111² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223311311911) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1586990 + ... + 1721963.

It is an arithmetic number, because the mean of its divisors is an integer number (16518298368).

Almost surely, 2^223311311111 is an apocalyptic number.

223311311111 is a deficient number, since it is larger than the sum of its proper divisors (40981462777).

223311311111 is a wasteful number, since it uses less digits than its factorization.

223311311111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3309302.

The product of its digits is 108, while the sum is 20.

Adding to 223311311111 its reverse (111113113322), we get a palindrome (334424424433).

The spelling of 223311311111 in words is "two hundred twenty-three billion, three hundred eleven million, three hundred eleven thousand, one hundred eleven".