112113221 has 4 divisors (see below), whose sum is σ = 122305344. Its totient is φ = 101921100.

The previous prime is 112113203. The next prime is 112113233. The reversal of 112113221 is 122311211.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 112113221 - 2¹⁰ = 112112197 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 112113196 and 112113205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112113251) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5096045 + ... + 5096066.

It is an arithmetic number, because the mean of its divisors is an integer number (30576336).

Almost surely, 2^112113221 is an apocalyptic number.

112113221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

112113221 is a deficient number, since it is larger than the sum of its proper divisors (10192123).

112113221 is a wasteful number, since it uses less digits than its factorization.

112113221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10192122.

The product of its digits is 24, while the sum is 14.

The square root of 112113221 is about 10588.3530825148. The cubic root of 112113221 is about 482.1908259408.

Adding to 112113221 its reverse (122311211), we get a palindrome (234424432).

The spelling of 112113221 in words is "one hundred twelve million, one hundred thirteen thousand, two hundred twenty-one".