113221200 has 60 divisors (see below), whose sum is σ = 362689088. Its totient is φ = 30192000.

The previous prime is 113221181. The next prime is 113221201. The reversal of 113221200 is 2122311.

It is a tau number, because it is divible by the number of its divisors (60).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113221201) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 45976 + ... + 48375.

Almost surely, 2^113221200 is an apocalyptic number.

113221200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

113221200 is an abundant number, since it is smaller than the sum of its proper divisors (249467888).

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

113221200 is a wasteful number, since it uses less digits than its factorization.

113221200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94372 (or 94361 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 113221200 is about 10640.5450988190. The cubic root of 113221200 is about 483.7740675351.

Adding to 113221200 its reverse (2122311), we get a palindrome (115343511).

The spelling of 113221200 in words is "one hundred thirteen million, two hundred twenty-one thousand, two hundred".