210010011221 has 8 divisors (see below), whose sum is σ = 217375233024. Its totient is φ = 202681708560.

The previous prime is 210010011203. The next prime is 210010011317. The reversal of 210010011221 is 122110010012.

210010011221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 210010011221 - 2⁶ = 210010011157 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210010017221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9218210 + ... + 9240963.

It is an arithmetic number, because the mean of its divisors is an integer number (27171904128).

Almost surely, 2^210010011221 is an apocalyptic number.

It is an amenable number.

210010011221 is a deficient number, since it is larger than the sum of its proper divisors (7365221803).

210010011221 is a wasteful number, since it uses less digits than its factorization.

210010011221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18459571.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 210010011221 its reverse (122110010012), we get a palindrome (332120021233).

The spelling of 210010011221 in words is "two hundred ten billion, ten million, eleven thousand, two hundred twenty-one".