21003311203010 has 16 divisors (see below), whose sum is σ = 37806013555776. Its totient is φ = 8401312616688.

The previous prime is 21003311203001. The next prime is 21003311203013. The reversal of 21003311203010 is 1030211330012.

It is a super-2 number, since 2×21003311203010² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 21003311203010.

It is not an unprimeable number, because it can be changed into a prime (21003311203013) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10782857 + ... + 12580803.

It is an arithmetic number, because the mean of its divisors is an integer number (2362875847236).

Almost surely, 2^{21003311203010} is an apocalyptic number.

21003311203010 is a deficient number, since it is larger than the sum of its proper divisors (16802702352766).

21003311203010 is a wasteful number, since it uses less digits than its factorization.

21003311203010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2966137.

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

Adding to 21003311203010 its reverse (1030211330012), we get a palindrome (22033522533022).

The spelling of 21003311203010 in words is "twenty-one trillion, three billion, three hundred eleven million, two hundred three thousand, ten".