11033221320000 has 840 divisors, whose sum is σ = 43164579538080. Its totient is φ = 2671388160000.

The previous prime is 11033221319983. The next prime is 11033221320013. The reversal of 11033221320000 is 2312233011.

11033221320000 is a `hidden beast` number, since 1 + 10 + 332 + 2 + 1 + 320 + 0 + 0 + 0 = 666.

It is a super-2 number, since 2×11033221320000² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 4985638894 + ... + 4985641106.

It is an arithmetic number, because the mean of its divisors is an integer number (51386404212).

Almost surely, 2^{11033221320000} is an apocalyptic number.

11033221320000 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 11033221320000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21582289769040).

11033221320000 is an abundant number, since it is smaller than the sum of its proper divisors (32131358218080).

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

11033221320000 is a wasteful number, since it uses less digits than its factorization.

11033221320000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3521 (or 3493 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 11033221320000 its reverse (2312233011), we get a palindrome (11035533553011).

The spelling of 11033221320000 in words is "eleven trillion, thirty-three billion, two hundred twenty-one million, three hundred twenty thousand".