11223311312 has 10 divisors (see below), whose sum is σ = 21745165698. Its totient is φ = 5611655648.

The previous prime is 11223311291. The next prime is 11223311317. The reversal of 11223311312 is 21311332211.

It is a happy number.

11223311312 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 11201258896 + 22052416 = 105836^2 + 4696^2 .

It is a super-2 number, since 2×11223311312² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11223311317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 350728463 + ... + 350728494.

Almost surely, 2^11223311312 is an apocalyptic number.

It is an amenable number.

11223311312 is a deficient number, since it is larger than the sum of its proper divisors (10521854386).

11223311312 is an equidigital number, since it uses as much as digits as its factorization.

11223311312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 701456965 (or 701456959 counting only the distinct ones).

The product of its digits is 216, while the sum is 20.

Adding to 11223311312 its reverse (21311332211), we get a palindrome (32534643523).

The spelling of 11223311312 in words is "eleven billion, two hundred twenty-three million, three hundred eleven thousand, three hundred twelve".