21322104301 has 4 divisors (see below), whose sum is σ = 21328904412. Its totient is φ = 21315304192.

The previous prime is 21322104289. The next prime is 21322104317. The reversal of 21322104301 is 10340122312.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 21184511401 + 137592900 = 145549^2 + 11730^2 .

It is a cyclic number.

It is not a de Polignac number, because 21322104301 - 2⁵ = 21322104269 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 (21322194301) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3395350 + ... + 3401623.

It is an arithmetic number, because the mean of its divisors is an integer number (5332226103).

Almost surely, 2^21322104301 is an apocalyptic number.

It is an amenable number.

21322104301 is a deficient number, since it is larger than the sum of its proper divisors (6800111).

21322104301 is an equidigital number, since it uses as much as digits as its factorization.

21322104301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6800110.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 21322104301 its reverse (10340122312), we get a palindrome (31662226613).

The spelling of 21322104301 in words is "twenty-one billion, three hundred twenty-two million, one hundred four thousand, three hundred one".