201122102010209 has 32 divisors (see below), whose sum is σ = 213836941678080. Its totient is φ = 188630743704192.

The previous prime is 201122102010139. The next prime is 201122102010217. The reversal of 201122102010209 is 902010201221102.

It is not a de Polignac number, because 201122102010209 - 2²⁰ = 201122100961633 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201122102010409) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 830677082 + ... + 830919164.

It is an arithmetic number, because the mean of its divisors is an integer number (6682404427440).

Almost surely, 2^{201122102010209} is an apocalyptic number.

It is an amenable number.

201122102010209 is a deficient number, since it is larger than the sum of its proper divisors (12714839667871).

201122102010209 is a wasteful number, since it uses less digits than its factorization.

201122102010209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 243309.

The product of its (nonzero) digits is 288, while the sum is 23.

The spelling of 201122102010209 in words is "two hundred one trillion, one hundred twenty-two billion, one hundred two million, ten thousand, two hundred nine".