21404334301 has 16 divisors (see below), whose sum is σ = 24969808000. Its totient is φ = 18340336224.

The previous prime is 21404334299. The next prime is 21404334319. The reversal of 21404334301 is 10343340412.

It is not a de Polignac number, because 21404334301 - 2¹ = 21404334299 is a prime.

It is a super-3 number, since 3×21404334301³ (a number of 32 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21404335301) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1201606 + ... + 1219288.

It is an arithmetic number, because the mean of its divisors is an integer number (1560613000).

Almost surely, 2^21404334301 is an apocalyptic number.

It is an amenable number.

21404334301 is a deficient number, since it is larger than the sum of its proper divisors (3565473699).

21404334301 is an equidigital number, since it uses as much as digits as its factorization.

21404334301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21233 (or 21219 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 21404334301 its reverse (10343340412), we get a palindrome (31747674713).

The spelling of 21404334301 in words is "twenty-one billion, four hundred four million, three hundred thirty-four thousand, three hundred one".