21304332114 has 64 divisors (see below), whose sum is σ = 46925899776. Its totient is φ = 6407037504.

The previous prime is 21304332113. The next prime is 21304332149. The reversal of 21304332114 is 41123340312.

It is a happy number.

It is a super-2 number, since 2×21304332114² (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (21304332113) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3028269 + ... + 3035295.

It is an arithmetic number, because the mean of its divisors is an integer number (733217184).

Almost surely, 2^21304332114 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 21304332114, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23462949888).

21304332114 is an abundant number, since it is smaller than the sum of its proper divisors (25621567662).

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

21304332114 is a wasteful number, since it uses less digits than its factorization.

21304332114 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7919.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 21304332114 its reverse (41123340312), we get a palindrome (62427672426).

The spelling of 21304332114 in words is "twenty-one billion, three hundred four million, three hundred thirty-two thousand, one hundred fourteen".