21344114112 has 112 divisors (see below), whose sum is σ = 57058560000. Its totient is φ = 7041295360.

The previous prime is 21344114107. The next prime is 21344114177. The reversal of 21344114112 is 21141144312.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24).

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

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, 8895889 + ... + 8898287.

Almost surely, 2^21344114112 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 21344114112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28529280000).

21344114112 is an abundant number, since it is smaller than the sum of its proper divisors (35714445888).

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

21344114112 is a wasteful number, since it uses less digits than its factorization.

21344114112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2874 (or 2864 counting only the distinct ones).

The product of its digits is 768, while the sum is 24.

Adding to 21344114112 its reverse (21141144312), we get a palindrome (42485258424).

The spelling of 21344114112 in words is "twenty-one billion, three hundred forty-four million, one hundred fourteen thousand, one hundred twelve".