21421104301 has 8 divisors (see below), whose sum is σ = 22440268800. Its totient is φ = 20420640240.

The previous prime is 21421104277. The next prime is 21421104311. The reversal of 21421104301 is 10340112412.

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 21421104301 - 2¹¹ = 21421102253 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21421104311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4672765 + ... + 4677346.

It is an arithmetic number, because the mean of its divisors is an integer number (2805033600).

Almost surely, 2^21421104301 is an apocalyptic number.

It is an amenable number.

21421104301 is a deficient number, since it is larger than the sum of its proper divisors (1019164499).

21421104301 is an equidigital number, since it uses as much as digits as its factorization.

21421104301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9350219.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 21421104301 its reverse (10340112412), we get a palindrome (31761216713).

The spelling of 21421104301 in words is "twenty-one billion, four hundred twenty-one million, one hundred four thousand, three hundred one".