21010210103330 has 32 divisors (see below), whose sum is σ = 43229976932736. Its totient is φ = 7202005058304.

The previous prime is 21010210103329. The next prime is 21010210103339. The reversal of 21010210103330 is 3330101201012.

It is a junction number, because it is equal to n+sod(n) for n = 21010210103299 and 21010210103308.

It is not an unprimeable number, because it can be changed into a prime (21010210103339) 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 15 ways as a sum of consecutive naturals, for example, 30817664 + ... + 31492043.

It is an arithmetic number, because the mean of its divisors is an integer number (1350936779148).

Almost surely, 2^{21010210103330} is an apocalyptic number.

21010210103330 is an abundant number, since it is smaller than the sum of its proper divisors (22219766829406).

21010210103330 is a wasteful number, since it uses less digits than its factorization.

21010210103330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62314538.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 21010210103330 its reverse (3330101201012), we get a palindrome (24340311304342).

The spelling of 21010210103330 in words is "twenty-one trillion, ten billion, two hundred ten million, one hundred three thousand, three hundred thirty".