113330221220 has 48 divisors (see below), whose sum is σ = 243766309248. Its totient is φ = 44234561280.

The previous prime is 113330221163. The next prime is 113330221223. The reversal of 113330221220 is 22122033311.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 113330221192 and 113330221201.

It is not an unprimeable number, because it can be changed into a prime (113330221223) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 822752 + ... + 950568.

It is an arithmetic number, because the mean of its divisors is an integer number (5078464776).

Almost surely, 2^113330221220 is an apocalyptic number.

113330221220 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 113330221220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (121883154624).

113330221220 is an abundant number, since it is smaller than the sum of its proper divisors (130436088028).

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

113330221220 is a wasteful number, since it uses less digits than its factorization.

113330221220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128900 (or 128898 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 113330221220 its reverse (22122033311), we get a palindrome (135452254531).

The spelling of 113330221220 in words is "one hundred thirteen billion, three hundred thirty million, two hundred twenty-one thousand, two hundred twenty".