21300300001 has 4 divisors (see below), whose sum is σ = 21305817792. Its totient is φ = 21294782212.

The previous prime is 21300299989. The next prime is 21300300013. The reversal of 21300300001 is 10000300312.

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 an interprime number because it is at equal distance from previous prime (21300299989) and next prime (21300300013).

It is a cyclic number.

It is not a de Polignac number, because 21300300001 - 2²³ = 21291911393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21300300061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2753101 + ... + 2760826.

It is an arithmetic number, because the mean of its divisors is an integer number (5326454448).

Almost surely, 2^21300300001 is an apocalyptic number.

It is an amenable number.

21300300001 is a deficient number, since it is larger than the sum of its proper divisors (5517791).

21300300001 is an equidigital number, since it uses as much as digits as its factorization.

21300300001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5517790.

The product of its (nonzero) digits is 18, while the sum is 10.

Adding to 21300300001 its reverse (10000300312), we get a palindrome (31300600313).

The spelling of 21300300001 in words is "twenty-one billion, three hundred million, three hundred thousand, one".