201211122102201 has 48 divisors (see below), whose sum is σ = 316683256169280. Its totient is φ = 126239545820160.

The previous prime is 201211122102173. The next prime is 201211122102227. The reversal of 201211122102201 is 102201221112102.

201211122102201 is a `hidden beast` number, since 2 + 0 + 121 + 112 + 210 + 220 + 1 = 666.

It is not a de Polignac number, because 201211122102201 - 2²² = 201211117907897 is a prime.

It is not an unprimeable number, because it can be changed into a prime (201211122106201) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 92648385 + ... + 94795281.

It is an arithmetic number, because the mean of its divisors is an integer number (6597567836860).

Almost surely, 2^{201211122102201} is an apocalyptic number.

It is an amenable number.

201211122102201 is a deficient number, since it is larger than the sum of its proper divisors (115472134067079).

201211122102201 is a wasteful number, since it uses less digits than its factorization.

201211122102201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2158951 (or 2158928 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 201211122102201 its reverse (102201221112102), we get a palindrome (303412343214303).

Subtracting from 201211122102201 its reverse (102201221112102), we obtain a palindrome (99009900990099).

The spelling of 201211122102201 in words is "two hundred one trillion, two hundred eleven billion, one hundred twenty-two million, one hundred two thousand, two hundred one".