11113333021000 has 128 divisors (see below), whose sum is σ = 29730154671360. Its totient is φ = 3809012928000.

The previous prime is 11113333020989. The next prime is 11113333021001. The reversal of 11113333021000 is 12033331111.

It is not an unprimeable number, because it can be changed into a prime (11113333021001) 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 31 ways as a sum of consecutive naturals, for example, 20813364 + ... + 21340636.

It is an arithmetic number, because the mean of its divisors is an integer number (232266833370).

Almost surely, 2^{11113333021000} is an apocalyptic number.

11113333021000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11113333021000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14865077335680).

11113333021000 is an abundant number, since it is smaller than the sum of its proper divisors (18616821650360).

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

11113333021000 is a wasteful number, since it uses less digits than its factorization.

11113333021000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 530312 (or 530298 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 19.

Adding to 11113333021000 its reverse (12033331111), we get a palindrome (11125366352111).

The spelling of 11113333021000 in words is "eleven trillion, one hundred thirteen billion, three hundred thirty-three million, twenty-one thousand".