112140221 has 4 divisors (see below), whose sum is σ = 113491392. Its totient is φ = 110789052.

The previous prime is 112140163. The next prime is 112140239. The reversal of 112140221 is 122041211.

It is a happy number.

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 a de Polignac number, because none of the positive numbers 2^k-112140221 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 112140196 and 112140205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112140241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 675461 + ... + 675626.

It is an arithmetic number, because the mean of its divisors is an integer number (28372848).

Almost surely, 2^112140221 is an apocalyptic number.

It is an amenable number.

112140221 is a deficient number, since it is larger than the sum of its proper divisors (1351171).

112140221 is an equidigital number, since it uses as much as digits as its factorization.

112140221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1351170.

The product of its (nonzero) digits is 32, while the sum is 14.

The square root of 112140221 is about 10589.6279915774. The cubic root of 112140221 is about 482.2295311806.

Adding to 112140221 its reverse (122041211), we get a palindrome (234181432).

The spelling of 112140221 in words is "one hundred twelve million, one hundred forty thousand, two hundred twenty-one".