113301001220 has 96 divisors (see below), whose sum is σ = 264653174016. Its totient is φ = 40393433600.

The previous prime is 113301001213. The next prime is 113301001271. The reversal of 113301001220 is 22100103311.

It is a junction number, because it is equal to n+sod(n) for n = 113301001195 and 113301001204.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 21533390 + ... + 21538650.

It is an arithmetic number, because the mean of its divisors is an integer number (2756803896).

Almost surely, 2^113301001220 is an apocalyptic number.

113301001220 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 113301001220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (132326587008).

113301001220 is an abundant number, since it is smaller than the sum of its proper divisors (151352172796).

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

113301001220 is a wasteful number, since it uses less digits than its factorization.

113301001220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7181 (or 7179 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 113301001220 its reverse (22100103311), we get a palindrome (135401104531).

The spelling of 113301001220 in words is "one hundred thirteen billion, three hundred one million, one thousand, two hundred twenty".