113220300 has 72 divisors (see below), whose sum is σ = 331603776. Its totient is φ = 29821760.

The previous prime is 113220281. The next prime is 113220301. The reversal of 113220300 is 3022311.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is not an unprimeable number, because it can be changed into a prime (113220301) 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 23 ways as a sum of consecutive naturals, for example, 22627 + ... + 27173.

It is an arithmetic number, because the mean of its divisors is an integer number (4605608).

Almost surely, 2^113220300 is an apocalyptic number.

113220300 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 113220300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (165801888).

113220300 is an abundant number, since it is smaller than the sum of its proper divisors (218383476).

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

113220300 is a wasteful number, since it uses less digits than its factorization.

113220300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4647 (or 4640 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 12.

The square root of 113220300 is about 10640.5028076684. The cubic root of 113220300 is about 483.7727856850.

Adding to 113220300 its reverse (3022311), we get a palindrome (116242611).

The spelling of 113220300 in words is "one hundred thirteen million, two hundred twenty thousand, three hundred".