11113011221328 has 60 divisors (see below), whose sum is σ = 31108300816320. Its totient is φ = 3703467102528.

The previous prime is 11113011221261. The next prime is 11113011221329. The reversal of 11113011221328 is 82312211031111.

11113011221328 is a `hidden beast` number, since 1 + 1 + 1 + 1 + 301 + 12 + 21 + 328 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11113011221329) 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 11 ways as a sum of consecutive naturals, for example, 8446776 + ... + 9673367.

It is an arithmetic number, because the mean of its divisors is an integer number (518471680272).

Almost surely, 2^{11113011221328} is an apocalyptic number.

11113011221328 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

11113011221328 is an abundant number, since it is smaller than the sum of its proper divisors (19995289594992).

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

11113011221328 is a wasteful number, since it uses less digits than its factorization.

11113011221328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18124416 (or 18124407 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 27.

Adding to 11113011221328 its reverse (82312211031111), we get a palindrome (93425222252439).

The spelling of 11113011221328 in words is "eleven trillion, one hundred thirteen billion, eleven million, two hundred twenty-one thousand, three hundred twenty-eight".