112021109 has 8 divisors (see below), whose sum is σ = 123768000. Its totient is φ = 100847296.

The previous prime is 112021097. The next prime is 112021111. The reversal of 112021109 is 901120211.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-112021109 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112021709) 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, 142859 + ... + 143640.

It is an arithmetic number, because the mean of its divisors is an integer number (15471000).

Almost surely, 2^112021109 is an apocalyptic number.

It is an amenable number.

112021109 is a deficient number, since it is larger than the sum of its proper divisors (11746891).

112021109 is a wasteful number, since it uses less digits than its factorization.

112021109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 286539.

The product of its (nonzero) digits is 36, while the sum is 17.

The square root of 112021109 is about 10584.0025037790. The cubic root of 112021109 is about 482.0587340834.

The spelling of 112021109 in words is "one hundred twelve million, twenty-one thousand, one hundred nine".