21114112 has 36 divisors (see below), whose sum is σ = 42809536. Its totient is φ = 10391040.

The previous prime is 21114103. The next prime is 21114127. The reversal of 21114112 is 21141112.

It is a nude number because it is divisible by every one of its digits and also a Zuckerman number because it is divisible by the product of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 21114092 and 21114101.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16537 + ... + 17767.

Almost surely, 2^21114112 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 21114112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21404768).

21114112 is an abundant number, since it is smaller than the sum of its proper divisors (21695424).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

21114112 is an equidigital number, since it uses as much as digits as its factorization.

21114112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1314 (or 1300 counting only the distinct ones).

The product of its digits is 16, while the sum is 13.

The square root of 21114112 is about 4595.0094668020. The cubic root of 21114112 is about 276.3912395832.

Adding to 21114112 its reverse (21141112), we get a palindrome (42255224).

Subtracting 21114112 from its reverse (21141112), we obtain a cube (27000 = 30³).

The spelling of 21114112 in words is "twenty-one million, one hundred fourteen thousand, one hundred twelve".