11133213020 has 48 divisors (see below), whose sum is σ = 25680291840. Its totient is φ = 4035468096.

The previous prime is 11133212999. The next prime is 11133213023. The reversal of 11133213020 is 2031233111.

It is a self number, because there is not a number n which added to its sum of digits gives 11133213020.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11133213023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 628172 + ... + 645651.

It is an arithmetic number, because the mean of its divisors is an integer number (535006080).

Almost surely, 2^11133213020 is an apocalyptic number.

11133213020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11133213020 is an abundant number, since it is smaller than the sum of its proper divisors (14547078820).

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

11133213020 is a wasteful number, since it uses less digits than its factorization.

11133213020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1273874 (or 1273872 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 11133213020 its reverse (2031233111), we get a palindrome (13164446131).

The spelling of 11133213020 in words is "eleven billion, one hundred thirty-three million, two hundred thirteen thousand, twenty".