112021117 has 8 divisors (see below), whose sum is σ = 122683680. Its totient is φ = 101650800.

The previous prime is 112021111. The next prime is 112021121. The reversal of 112021117 is 711120211.

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-112021117 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 112021117.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112021111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72259 + ... + 73792.

It is an arithmetic number, because the mean of its divisors is an integer number (15335460).

Almost surely, 2^112021117 is an apocalyptic number.

It is an amenable number.

112021117 is a deficient number, since it is larger than the sum of its proper divisors (10662563).

112021117 is a wasteful number, since it uses less digits than its factorization.

112021117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146123.

The product of its (nonzero) digits is 28, while the sum is 16.

The square root of 112021117 is about 10584.0028817078. The cubic root of 112021117 is about 482.0587455588.

Adding to 112021117 its reverse (711120211), we get a palindrome (823141328).

The spelling of 112021117 in words is "one hundred twelve million, twenty-one thousand, one hundred seventeen".