11223313311 has 16 divisors (see below), whose sum is σ = 17126336000. Its totient is φ = 6404267808.

The previous prime is 11223313307. The next prime is 11223313331. The reversal of 11223313311 is 11331332211.

It is a happy number.

It is not a de Polignac number, because 11223313311 - 2² = 11223313307 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11223313301) 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, 362011 + ... + 391788.

It is an arithmetic number, because the mean of its divisors is an integer number (1070396000).

Almost surely, 2^11223313311 is an apocalyptic number.

11223313311 is a deficient number, since it is larger than the sum of its proper divisors (5903022689).

11223313311 is an equidigital number, since it uses as much as digits as its factorization.

11223313311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 754518.

The product of its digits is 324, while the sum is 21.

Adding to 11223313311 its reverse (11331332211), we get a palindrome (22554645522).

It can be divided in two parts, 11 and 223313311, that added together give a palindrome (223313322).

The spelling of 11223313311 in words is "eleven billion, two hundred twenty-three million, three hundred thirteen thousand, three hundred eleven".