112013021 has 8 divisors (see below), whose sum is σ = 112783104. Its totient is φ = 111246160.

The previous prime is 112012963. The next prime is 112013029. The reversal of 112013021 is 120310211.

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-112013021 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 112012993 and 112013011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112013029) 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, 125840 + ... + 126726.

It is an arithmetic number, because the mean of its divisors is an integer number (14097888).

Almost surely, 2^112013021 is an apocalyptic number.

It is an amenable number.

112013021 is a deficient number, since it is larger than the sum of its proper divisors (770083).

112013021 is an equidigital number, since it uses as much as digits as its factorization.

112013021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1611.

The product of its (nonzero) digits is 12, while the sum is 11.

The square root of 112013021 is about 10583.6204108046. The cubic root of 112013021 is about 482.0471321483.

Adding to 112013021 its reverse (120310211), we get a palindrome (232323232).

It can be divided in two parts, 1120 and 13021, that added together give a palindrome (14141).

The spelling of 112013021 in words is "one hundred twelve million, thirteen thousand, twenty-one".