210022221009 has 8 divisors (see below), whose sum is σ = 280031745472. Its totient is φ = 140013755280.

The previous prime is 210022221007. The next prime is 210022221011. The reversal of 210022221009 is 900122220012.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (210022221007) and next prime (210022221011).

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

It is not a de Polignac number, because 210022221009 - 2¹ = 210022221007 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (210022221001) 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, 637167 + ... + 908859.

It is an arithmetic number, because the mean of its divisors is an integer number (35003968184).

Almost surely, 2^210022221009 is an apocalyptic number.

It is an amenable number.

210022221009 is a deficient number, since it is larger than the sum of its proper divisors (70009524463).

210022221009 is a wasteful number, since it uses less digits than its factorization.

210022221009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 529367.

The product of its (nonzero) digits is 288, while the sum is 21.

The spelling of 210022221009 in words is "two hundred ten billion, twenty-two million, two hundred twenty-one thousand, nine".