10202210221 has 8 divisors (see below), whose sum is σ = 12345531840. Its totient is φ = 8230354368.

The previous prime is 10202210209. The next prime is 10202210233. The reversal of 10202210221 is 12201220201.

It is a happy number.

10202210221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (10202210209) and next prime (10202210233).

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 10202210221 - 2¹³ = 10202202029 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 (10202210201) 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, 42866311 + ... + 42866548.

It is an arithmetic number, because the mean of its divisors is an integer number (1543191480).

Almost surely, 2^10202210221 is an apocalyptic number.

It is an amenable number.

10202210221 is a deficient number, since it is larger than the sum of its proper divisors (2143321619).

10202210221 is an equidigital number, since it uses as much as digits as its factorization.

10202210221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85732883.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 10202210221 its reverse (12201220201), we get a palindrome (22403430422).

The spelling of 10202210221 in words is "ten billion, two hundred two million, two hundred ten thousand, two hundred twenty-one".