10221110221 has 8 divisors (see below), whose sum is σ = 11681924544. Its totient is φ = 8760459840.

The previous prime is 10221110171. The next prime is 10221110227. The reversal of 10221110221 is 12201112201.

10221110221 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 10221110221 - 2⁹ = 10221109709 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 (10221110227) by changing a digit.

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, 155301 + ... + 211093.

It is an arithmetic number, because the mean of its divisors is an integer number (1460240568).

Almost surely, 2^10221110221 is an apocalyptic number.

It is an amenable number.

10221110221 is a deficient number, since it is larger than the sum of its proper divisors (1460814323).

10221110221 is an equidigital number, since it uses as much as digits as its factorization.

10221110221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81971.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 10221110221 its reverse (12201112201), we get a palindrome (22422222422).

The spelling of 10221110221 in words is "ten billion, two hundred twenty-one million, one hundred ten thousand, two hundred twenty-one".