201122102112111 has 16 divisors (see below), whose sum is σ = 302040295412320. Its totient is φ = 132244669880640.

The previous prime is 201122102112101. The next prime is 201122102112149. The reversal of 201122102112111 is 111211201221102.

It is a happy number.

201122102112111 is a `hidden beast` number, since 20 + 1 + 1 + 221 + 0 + 211 + 211 + 1 = 666.

It is not a de Polignac number, because 201122102112111 - 2¹⁴ = 201122102095727 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 (201122102112101) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51020318200 + ... + 51020322141.

It is an arithmetic number, because the mean of its divisors is an integer number (18877518463270).

Almost surely, 2^{201122102112111} is an apocalyptic number.

201122102112111 is a deficient number, since it is larger than the sum of its proper divisors (100918193300209).

201122102112111 is a wasteful number, since it uses less digits than its factorization.

201122102112111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102040640423 (or 102040640417 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 18.

Adding to 201122102112111 its reverse (111211201221102), we get a palindrome (312333303333213).

The spelling of 201122102112111 in words is "two hundred one trillion, one hundred twenty-two billion, one hundred two million, one hundred twelve thousand, one hundred eleven".