210011222009 has 16 divisors (see below), whose sum is σ = 223256841600. Its totient is φ = 196985644416.

The previous prime is 210011221997. The next prime is 210011222041. The reversal of 210011222009 is 900222110012.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 210011222009 - 2⁴ = 210011221993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (210011722009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13943927 + ... + 13958979.

It is an arithmetic number, because the mean of its divisors is an integer number (13953552600).

Almost surely, 2^210011222009 is an apocalyptic number.

It is an amenable number.

210011222009 is a deficient number, since it is larger than the sum of its proper divisors (13245619591).

210011222009 is a wasteful number, since it uses less digits than its factorization.

210011222009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22304.

The product of its (nonzero) digits is 144, while the sum is 20.

The spelling of 210011222009 in words is "two hundred ten billion, eleven million, two hundred twenty-two thousand, nine".