221210000210 has 16 divisors (see below), whose sum is σ = 419134737600. Its totient is φ = 83826947376.

The previous prime is 221210000177. The next prime is 221210000233. The reversal of 221210000210 is 12000012122.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 221210000191 and 221210000200.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 582131390 + ... + 582131769.

It is an arithmetic number, because the mean of its divisors is an integer number (26195921100).

Almost surely, 2^221210000210 is an apocalyptic number.

221210000210 is a deficient number, since it is larger than the sum of its proper divisors (197924737390).

221210000210 is a wasteful number, since it uses less digits than its factorization.

221210000210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1164263185.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 221210000210 its reverse (12000012122), we get a palindrome (233210012332).

The spelling of 221210000210 in words is "two hundred twenty-one billion, two hundred ten million, two hundred ten", and thus it is an aban number.