11133213320 has 32 divisors (see below), whose sum is σ = 25093805400. Its totient is φ = 4445449728.

The previous prime is 11133213293. The next prime is 11133213323. The reversal of 11133213320 is 2331233111.

11133213320 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 4 ways, for example, as 5194661476 + 5938551844 = 72074^2 + 77062^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 11133213292 and 11133213301.

It is not an unprimeable number, because it can be changed into a prime (11133213323) 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 in 7 ways as a sum of consecutive naturals, for example, 221819 + ... + 267338.

Almost surely, 2^11133213320 is an apocalyptic number.

11133213320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11133213320 is an abundant number, since it is smaller than the sum of its proper divisors (13960592080).

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

11133213320 is a wasteful number, since it uses less digits than its factorization.

11133213320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 489737 (or 489733 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 11133213320 its reverse (2331233111), we get a palindrome (13464446431).

The spelling of 11133213320 in words is "eleven billion, one hundred thirty-three million, two hundred thirteen thousand, three hundred twenty".