113112231322220 has 24 divisors (see below), whose sum is σ = 255807661606224. Its totient is φ = 41764516180416.

The previous prime is 113112231322217. The next prime is 113112231322303. The reversal of 113112231322220 is 22223132211311.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a self number, because there is not a number n which added to its sum of digits gives 113112231322220.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 217523521514 + ... + 217523522033.

It is an arithmetic number, because the mean of its divisors is an integer number (10658652566926).

Almost surely, 2^{113112231322220} is an apocalyptic number.

113112231322220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

113112231322220 is an abundant number, since it is smaller than the sum of its proper divisors (142695430284004).

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

113112231322220 is a wasteful number, since it uses less digits than its factorization.

113112231322220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 435047043569 (or 435047043567 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 26.

Adding to 113112231322220 its reverse (22223132211311), we get a palindrome (135335363533531).

The spelling of 113112231322220 in words is "one hundred thirteen trillion, one hundred twelve billion, two hundred thirty-one million, three hundred twenty-two thousand, two hundred twenty".