21334210304203 has 8 divisors (see below), whose sum is σ = 21698039980800. Its totient is φ = 20970455057448.

The previous prime is 21334210304201. The next prime is 21334210304221. The reversal of 21334210304203 is 30240301243312.

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 21334210304203 - 2¹ = 21334210304201 is a prime.

It is a super-3 number, since 3×21334210304203³ (a number of 41 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21334210304201) 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, 18029151 + ... + 19175992.

It is an arithmetic number, because the mean of its divisors is an integer number (2712254997600).

Almost surely, 2^{21334210304203} is an apocalyptic number.

21334210304203 is a deficient number, since it is larger than the sum of its proper divisors (363829676597).

21334210304203 is an equidigital number, since it uses as much as digits as its factorization.

21334210304203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37214921.

The product of its (nonzero) digits is 10368, while the sum is 28.

Adding to 21334210304203 its reverse (30240301243312), we get a palindrome (51574511547515).

The spelling of 21334210304203 in words is "twenty-one trillion, three hundred thirty-four billion, two hundred ten million, three hundred four thousand, two hundred three".