21341112 has 64 divisors (see below), whose sum is σ = 58306080. Its totient is φ = 6469632.

The previous prime is 21341093. The next prime is 21341141. The reversal of 21341112 is 21114312.

It is a super-2 number, since 2×21341112² = 910886122793088, which contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 21341091 and 21341100.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22308 + ... + 23244.

Almost surely, 2^21341112 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 21341112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29153040).

21341112 is an abundant number, since it is smaller than the sum of its proper divisors (36964968).

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

21341112 is a wasteful number, since it uses less digits than its factorization.

21341112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1032 (or 1028 counting only the distinct ones).

The product of its digits is 48, while the sum is 15.

The square root of 21341112 is about 4619.6441421391. The cubic root of 21341112 is about 277.3782145580.

Adding to 21341112 its reverse (21114312), we get a palindrome (42455424).

The spelling of 21341112 in words is "twenty-one million, three hundred forty-one thousand, one hundred twelve".