21300303201 has 4 divisors (see below), whose sum is σ = 28400404272. Its totient is φ = 14200202132.

The previous prime is 21300303181. The next prime is 21300303217. The reversal of 21300303201 is 10230300312.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 21300303201 - 2⁵ = 21300303169 is a prime.

It is not an unprimeable number, because it can be changed into a prime (21300303601) 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, 3550050531 + ... + 3550050536.

It is an arithmetic number, because the mean of its divisors is an integer number (7100101068).

Almost surely, 2^21300303201 is an apocalyptic number.

It is an amenable number.

21300303201 is a deficient number, since it is larger than the sum of its proper divisors (7100101071).

21300303201 is an equidigital number, since it uses as much as digits as its factorization.

21300303201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7100101070.

The product of its (nonzero) digits is 108, while the sum is 15.

Adding to 21300303201 its reverse (10230300312), we get a palindrome (31530603513).

The spelling of 21300303201 in words is "twenty-one billion, three hundred million, three hundred three thousand, two hundred one".