11321220113224 has 128 divisors (see below), whose sum is σ = 25410436128000. Its totient is φ = 4626056623104.

The previous prime is 11321220113213. The next prime is 11321220113237. The reversal of 11321220113224 is 42231102212311.

11321220113224 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 309059742 + ... + 309096370.

It is an arithmetic number, because the mean of its divisors is an integer number (198519032250).

Almost surely, 2^{11321220113224} is an apocalyptic number.

11321220113224 is a gapful number since it is divisible by the number (14) 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 11321220113224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12705218064000).

11321220113224 is an abundant number, since it is smaller than the sum of its proper divisors (14089216014776).

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

11321220113224 is a wasteful number, since it uses less digits than its factorization.

11321220113224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39047 (or 39043 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 25.

Adding to 11321220113224 its reverse (42231102212311), we get a palindrome (53552322325535).

The spelling of 11321220113224 in words is "eleven trillion, three hundred twenty-one billion, two hundred twenty million, one hundred thirteen thousand, two hundred twenty-four".