21334343230401 has 8 divisors (see below), whose sum is σ = 28445866170720. Its totient is φ = 14222857888512.

The previous prime is 21334343230397. The next prime is 21334343230427. The reversal of 21334343230401 is 10403234343312.

It is a happy number.

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

It is not a de Polignac number, because 21334343230401 - 2² = 21334343230397 is a prime.

It is not an unprimeable number, because it can be changed into a prime (21334343230451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8047840 + ... + 10365153.

It is an arithmetic number, because the mean of its divisors is an integer number (3555733271340).

Almost surely, 2^{21334343230401} is an apocalyptic number.

It is an amenable number.

21334343230401 is a deficient number, since it is larger than the sum of its proper divisors (7111522940319).

21334343230401 is a wasteful number, since it uses less digits than its factorization.

21334343230401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18799215.

The product of its (nonzero) digits is 62208, while the sum is 33.

Adding to 21334343230401 its reverse (10403234343312), we get a palindrome (31737577573713).

The spelling of 21334343230401 in words is "twenty-one trillion, three hundred thirty-four billion, three hundred forty-three million, two hundred thirty thousand, four hundred one".