201122011009 has 8 divisors (see below), whose sum is σ = 201487964832. Its totient is φ = 200756162400.

The previous prime is 201122011007. The next prime is 201122011033. The reversal of 201122011009 is 900110221102.

It is a happy number.

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 201122011009 - 2¹ = 201122011007 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201122011007) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4499082 + ... + 4543564.

It is an arithmetic number, because the mean of its divisors is an integer number (25185995604).

Almost surely, 2^201122011009 is an apocalyptic number.

It is an amenable number.

201122011009 is a deficient number, since it is larger than the sum of its proper divisors (365953823).

201122011009 is an equidigital number, since it uses as much as digits as its factorization.

201122011009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52607.

The product of its (nonzero) digits is 72, while the sum is 19.

The spelling of 201122011009 in words is "two hundred one billion, one hundred twenty-two million, eleven thousand, nine".