1103323111312 has 20 divisors (see below), whose sum is σ = 2211401926620. Its totient is φ = 532638743168.

The previous prime is 1103323111237. The next prime is 1103323111321. The reversal of 1103323111312 is 2131113233011.

It can be written as a sum of positive squares in 2 ways, for example, as 893939994256 + 209383117056 = 945484^2 + 457584^2 .

It is a super-2 number, since 2×1103323111312² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1188925303 + ... + 1188926230.

It is an arithmetic number, because the mean of its divisors is an integer number (110570096331).

Almost surely, 2^{1103323111312} is an apocalyptic number.

It is an amenable number.

1103323111312 is an abundant number, since it is smaller than the sum of its proper divisors (1108078815308).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1103323111312 is a wasteful number, since it uses less digits than its factorization.

1103323111312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2377851570 (or 2377851564 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 22.

Adding to 1103323111312 its reverse (2131113233011), we get a palindrome (3234436344323).

The spelling of 1103323111312 in words is "one trillion, one hundred three billion, three hundred twenty-three million, one hundred eleven thousand, three hundred twelve".