21030303020210 has 64 divisors (see below), whose sum is σ = 41579897184000. Its totient is φ = 7594801862400.

The previous prime is 21030303020201. The next prime is 21030303020227. The reversal of 21030303020210 is 1202030303012.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 101990315 + ... + 102196305.

It is an arithmetic number, because the mean of its divisors is an integer number (649685893500).

Almost surely, 2^{21030303020210} is an apocalyptic number.

21030303020210 is a deficient number, since it is larger than the sum of its proper divisors (20549594163790).

21030303020210 is a wasteful number, since it uses less digits than its factorization.

21030303020210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212387.

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 21030303020210 its reverse (1202030303012), we get a palindrome (22232333323222).

The spelling of 21030303020210 in words is "twenty-one trillion, thirty billion, three hundred three million, twenty thousand, two hundred ten".