21300211330 has 8 divisors (see below), whose sum is σ = 38340380412. Its totient is φ = 8520084528.

The previous prime is 21300211271. The next prime is 21300211397. The reversal of 21300211330 is 3311200312.

It can be written as a sum of positive squares in 2 ways, for example, as 21276014769 + 24196561 = 145863^2 + 4919^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-3 number, since 3×21300211330³ (a number of 32 digits) contains 333 as substring.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 1065010557 + ... + 1065010576.

Almost surely, 2^21300211330 is an apocalyptic number.

21300211330 is a deficient number, since it is larger than the sum of its proper divisors (17040169082).

21300211330 is a wasteful number, since it uses less digits than its factorization.

21300211330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2130021140.

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 21300211330 its reverse (3311200312), we get a palindrome (24611411642).

The spelling of 21300211330 in words is "twenty-one billion, three hundred million, two hundred eleven thousand, three hundred thirty".