112113021 has 8 divisors (see below), whose sum is σ = 149609824. Its totient is φ = 74679120.

The previous prime is 112113007. The next prime is 112113031. The reversal of 112113021 is 120311211.

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

It is not a de Polignac number, because 112113021 - 2⁷ = 112112893 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 112112988 and 112113006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112113031) 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, 11395 + ... + 18816.

It is an arithmetic number, because the mean of its divisors is an integer number (18701228).

Almost surely, 2^112113021 is an apocalyptic number.

It is an amenable number.

112113021 is a deficient number, since it is larger than the sum of its proper divisors (37496803).

112113021 is a wasteful number, since it uses less digits than its factorization.

112113021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31451.

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

The square root of 112113021 is about 10588.3436381712. The cubic root of 112113021 is about 482.1905392122.

Adding to 112113021 its reverse (120311211), we get a palindrome (232424232).

The spelling of 112113021 in words is "one hundred twelve million, one hundred thirteen thousand, twenty-one".