201122404109 has 32 divisors (see below), whose sum is σ = 225192597120. Its totient is φ = 179571279360.

The previous prime is 201122404081. The next prime is 201122404117. The reversal of 201122404109 is 901404221102.

It is not a de Polignac number, because 201122404109 - 2²⁴ = 201105626893 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 (201122404009) 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, 31476287 + ... + 31482675.

It is an arithmetic number, because the mean of its divisors is an integer number (7037268660).

Almost surely, 2^201122404109 is an apocalyptic number.

It is an amenable number.

201122404109 is a deficient number, since it is larger than the sum of its proper divisors (24070193011).

201122404109 is an equidigital number, since it uses as much as digits as its factorization.

201122404109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6842 (or 6820 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 26.

The spelling of 201122404109 in words is "two hundred one billion, one hundred twenty-two million, four hundred four thousand, one hundred nine".