21424042034113 has 8 divisors (see below), whose sum is σ = 21969899101440. Its totient is φ = 20884965800160.

The previous prime is 21424042034093. The next prime is 21424042034207. The reversal of 21424042034113 is 31143024042412.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 21424042034113 - 2¹⁷ = 21424041903041 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21424042034413) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1695201945 + ... + 1695214582.

It is an arithmetic number, because the mean of its divisors is an integer number (2746237387680).

Almost surely, 2^{21424042034113} is an apocalyptic number.

It is an amenable number.

21424042034113 is a deficient number, since it is larger than the sum of its proper divisors (545857067327).

21424042034113 is an equidigital number, since it uses as much as digits as its factorization.

21424042034113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3390416687.

The product of its (nonzero) digits is 18432, while the sum is 31.

Adding to 21424042034113 its reverse (31143024042412), we get a palindrome (52567066076525).

The spelling of 21424042034113 in words is "twenty-one trillion, four hundred twenty-four billion, forty-two million, thirty-four thousand, one hundred thirteen".