21000303211310 has 16 divisors (see below), whose sum is σ = 37811556778896. Its totient is φ = 8397674395968.

The previous prime is 21000303211297. The next prime is 21000303211357. The reversal of 21000303211310 is 1311230300012.

It is a super-2 number, since 2×21000303211310² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 305825024 + ... + 305893683.

It is an arithmetic number, because the mean of its divisors is an integer number (2363222298681).

Almost surely, 2^{21000303211310} is an apocalyptic number.

21000303211310 is a deficient number, since it is larger than the sum of its proper divisors (16811253567586).

21000303211310 is a wasteful number, since it uses less digits than its factorization.

21000303211310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 611722147.

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

Adding to 21000303211310 its reverse (1311230300012), we get a palindrome (22311533511322).

The spelling of 21000303211310 in words is "twenty-one trillion, three hundred three million, two hundred eleven thousand, three hundred ten".