210010102221 has 16 divisors (see below), whose sum is σ = 286093974528. Its totient is φ = 136990516800.

The previous prime is 210010102217. The next prime is 210010102223. The reversal of 210010102221 is 122201010012.

It is not a de Polignac number, because 210010102221 - 2² = 210010102217 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 210010102197 and 210010102206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210010102223) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2969226 + ... + 3039131.

It is an arithmetic number, because the mean of its divisors is an integer number (17880873408).

Almost surely, 2^210010102221 is an apocalyptic number.

It is an amenable number.

210010102221 is a deficient number, since it is larger than the sum of its proper divisors (76083872307).

210010102221 is a wasteful number, since it uses less digits than its factorization.

210010102221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6008612.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 210010102221 its reverse (122201010012), we get a palindrome (332211112233).

The spelling of 210010102221 in words is "two hundred ten billion, ten million, one hundred two thousand, two hundred twenty-one".