21003320010010 has 64 divisors (see below), whose sum is σ = 40753213562880. Its totient is φ = 7747629419520.

The previous prime is 21003320009989. The next prime is 21003320010083. The reversal of 21003320010010 is 1001002330012.

It is a super-2 number, since 2×21003320010010² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (13).

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 31 ways as a sum of consecutive naturals, for example, 1827800365 + ... + 1827811855.

It is an arithmetic number, because the mean of its divisors is an integer number (636768961920).

Almost surely, 2^{21003320010010} is an apocalyptic number.

21003320010010 is a deficient number, since it is larger than the sum of its proper divisors (19749893552870).

21003320010010 is a wasteful number, since it uses less digits than its factorization.

21003320010010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23783.

The product of its (nonzero) digits is 36, while the sum is 13.

Adding to 21003320010010 its reverse (1001002330012), we get a palindrome (22004322340022).

The spelling of 21003320010010 in words is "twenty-one trillion, three billion, three hundred twenty million, ten thousand, ten".