201111210204 has 12 divisors (see below), whose sum is σ = 469259490504. Its totient is φ = 67037070064.

The previous prime is 201111210173. The next prime is 201111210253. The reversal of 201111210204 is 402012111102.

201111210204 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8379633747 + ... + 8379633770.

It is an arithmetic number, because the mean of its divisors is an integer number (39104957542).

Almost surely, 2^201111210204 is an apocalyptic number.

It is an amenable number.

201111210204 is an abundant number, since it is smaller than the sum of its proper divisors (268148280300).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

201111210204 is a wasteful number, since it uses less digits than its factorization.

201111210204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16759267524 (or 16759267522 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 201111210204 its reverse (402012111102), we get a palindrome (603123321306).

The spelling of 201111210204 in words is "two hundred one billion, one hundred eleven million, two hundred ten thousand, two hundred four".