201122221120109 has 4 divisors (see below), whose sum is σ = 201122309162880. Its totient is φ = 201122133077340.

The previous prime is 201122221120099. The next prime is 201122221120153. The reversal of 201122221120109 is 901021122221102.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-201122221120109 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 (201122221120189) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40500989 + ... + 45194850.

It is an arithmetic number, because the mean of its divisors is an integer number (50280577290720).

Almost surely, 2^{201122221120109} is an apocalyptic number.

It is an amenable number.

201122221120109 is a deficient number, since it is larger than the sum of its proper divisors (88042771).

201122221120109 is an equidigital number, since it uses as much as digits as its factorization.

201122221120109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88042770.

The product of its (nonzero) digits is 576, while the sum is 26.

The spelling of 201122221120109 in words is "two hundred one trillion, one hundred twenty-two billion, two hundred twenty-one million, one hundred twenty thousand, one hundred nine".