113100220 has 24 divisors (see below), whose sum is σ = 238645008. Its totient is φ = 45024000.

The previous prime is 113100193. The next prime is 113100241. The reversal of 113100220 is 22001311.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a junction number, because it is equal to n+sod(n) for n = 113100197 and 113100206.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 9181 + ... + 17620.

It is an arithmetic number, because the mean of its divisors is an integer number (9943542).

Almost surely, 2^113100220 is an apocalyptic number.

113100220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

113100220 is an abundant number, since it is smaller than the sum of its proper divisors (125544788).

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

113100220 is a wasteful number, since it uses less digits than its factorization.

113100220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27021 (or 27019 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 10.

The square root of 113100220 is about 10634.8587202652. The cubic root of 113100220 is about 483.6016974460.

Adding to 113100220 its reverse (22001311), we get a palindrome (135101531).

The spelling of 113100220 in words is "one hundred thirteen million, one hundred thousand, two hundred twenty".