112134221 has 4 divisors (see below), whose sum is σ = 114869244. Its totient is φ = 109399200.

The previous prime is 112134203. The next prime is 112134229. The reversal of 112134221 is 122431211.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 51122500 + 61011721 = 7150^2 + 7811^2 .

It is a cyclic number.

It is not a de Polignac number, because 112134221 - 2⁶ = 112134157 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 112134221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112134229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1367450 + ... + 1367531.

It is an arithmetic number, because the mean of its divisors is an integer number (28717311).

Almost surely, 2^112134221 is an apocalyptic number.

It is an amenable number.

112134221 is a deficient number, since it is larger than the sum of its proper divisors (2735023).

112134221 is an equidigital number, since it uses as much as digits as its factorization.

112134221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2735022.

The product of its digits is 96, while the sum is 17.

The square root of 112134221 is about 10589.3446917172. The cubic root of 112134221 is about 482.2209305532.

Adding to 112134221 its reverse (122431211), we get a palindrome (234565432).

The spelling of 112134221 in words is "one hundred twelve million, one hundred thirty-four thousand, two hundred twenty-one".