21302330300201 has 4 divisors (see below), whose sum is σ = 22555408553172. Its totient is φ = 20049252047232.

The previous prime is 21302330300197. The next prime is 21302330300203. The reversal of 21302330300201 is 10200303320312.

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 19317826992025 + 1984503308176 = 4395205^2 + 1408724^2 .

It is a cyclic number.

It is not a de Polignac number, because 21302330300201 - 2² = 21302330300197 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21302330300203) 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, 626539126460 + ... + 626539126493.

It is an arithmetic number, because the mean of its divisors is an integer number (5638852138293).

Almost surely, 2^{21302330300201} is an apocalyptic number.

It is an amenable number.

21302330300201 is a deficient number, since it is larger than the sum of its proper divisors (1253078252971).

21302330300201 is a wasteful number, since it uses less digits than its factorization.

21302330300201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1253078252970.

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 21302330300201 its reverse (10200303320312), we get a palindrome (31502633620513).

The spelling of 21302330300201 in words is "twenty-one trillion, three hundred two billion, three hundred thirty million, three hundred thousand, two hundred one".