112109221 has 8 divisors (see below), whose sum is σ = 129259584. Its totient is φ = 95242560.

The previous prime is 112109201. The next prime is 112109251. The reversal of 112109221 is 122901211.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 112109221 - 2⁵ = 112109189 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112109201) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70075 + ... + 71656.

It is an arithmetic number, because the mean of its divisors is an integer number (16157448).

Almost surely, 2^112109221 is an apocalyptic number.

It is an amenable number.

112109221 is a deficient number, since it is larger than the sum of its proper divisors (17150363).

112109221 is a wasteful number, since it uses less digits than its factorization.

112109221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141851.

The product of its (nonzero) digits is 72, while the sum is 19.

The square root of 112109221 is about 10588.1641940423. The cubic root of 112109221 is about 482.1850913027.

The spelling of 112109221 in words is "one hundred twelve million, one hundred nine thousand, two hundred twenty-one".