21302101330 has 8 divisors (see below), whose sum is σ = 38343782412. Its totient is φ = 8520840528.

The previous prime is 21302101297. The next prime is 21302101333. The reversal of 21302101330 is 3310120312.

It can be written as a sum of positive squares in 2 ways, for example, as 19417586409 + 1884514921 = 139347^2 + 43411^2 .

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

It is not an unprimeable number, because it can be changed into a prime (21302101333) 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, 1065105057 + ... + 1065105076.

Almost surely, 2^21302101330 is an apocalyptic number.

21302101330 is a deficient number, since it is larger than the sum of its proper divisors (17041681082).

21302101330 is a wasteful number, since it uses less digits than its factorization.

21302101330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2130210140.

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

Adding to 21302101330 its reverse (3310120312), we get a palindrome (24612221642).

The spelling of 21302101330 in words is "twenty-one billion, three hundred two million, one hundred one thousand, three hundred thirty".