21041324014 has 32 divisors (see below), whose sum is σ = 35446118400. Its totient is φ = 9309006720.

The previous prime is 21041324009. The next prime is 21041324023. The reversal of 21041324014 is 41042314012.

It is a happy number.

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, 39694 + ... + 208945.

It is an arithmetic number, because the mean of its divisors is an integer number (1107691200).

Almost surely, 2^21041324014 is an apocalyptic number.

21041324014 is a deficient number, since it is larger than the sum of its proper divisors (14404794386).

21041324014 is a wasteful number, since it uses less digits than its factorization.

21041324014 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 248808.

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 21041324014 its reverse (41042314012), we get a palindrome (62083638026).

The spelling of 21041324014 in words is "twenty-one billion, forty-one million, three hundred twenty-four thousand, fourteen".