113321220300 has 108 divisors (see below), whose sum is σ = 355455140040. Its totient is φ = 30197207040.

The previous prime is 113321220283. The next prime is 113321220319. The reversal of 113321220300 is 3022123311.

113321220300 is a `hidden beast` number, since 1 + 1 + 332 + 12 + 20 + 300 = 666.

It is a super-2 number, since 2×113321220300² (a number of 23 digits) contains 22 as substring.

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

It is an unprimeable number.

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 35 ways as a sum of consecutive naturals, for example, 1223419 + ... + 1312781.

Almost surely, 2^113321220300 is an apocalyptic number.

113321220300 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 113321220300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (177727570020).

113321220300 is an abundant number, since it is smaller than the sum of its proper divisors (242133919740).

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

113321220300 is a wasteful number, since it uses less digits than its factorization.

113321220300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90792 (or 90782 counting only the distinct ones).

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

Adding to 113321220300 its reverse (3022123311), we get a palindrome (116343343611).

The spelling of 113321220300 in words is "one hundred thirteen billion, three hundred twenty-one million, two hundred twenty thousand, three hundred".