201132122211 has 24 divisors (see below), whose sum is σ = 314080200720. Its totient is φ = 123597544896.

The previous prime is 201132122207. The next prime is 201132122227. The reversal of 201132122211 is 112221231102.

201132122211 is a `hidden beast` number, since 201 + 132 + 122 + 211 = 666.

It is not a de Polignac number, because 201132122211 - 2² = 201132122207 is a prime.

It is not an unprimeable number, because it can be changed into a prime (201132122231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15888420 + ... + 15901073.

It is an arithmetic number, because the mean of its divisors is an integer number (13086675030).

Almost surely, 2^201132122211 is an apocalyptic number.

201132122211 is a deficient number, since it is larger than the sum of its proper divisors (112948078509).

201132122211 is a wasteful number, since it uses less digits than its factorization.

201132122211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31789555 (or 31789552 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 201132122211 its reverse (112221231102), we get a palindrome (313353353313).

The spelling of 201132122211 in words is "two hundred one billion, one hundred thirty-two million, one hundred twenty-two thousand, two hundred eleven".