201211210112201 has 16 divisors (see below), whose sum is σ = 202935239578368. Its totient is φ = 199490111730000.

The previous prime is 201211210112173. The next prime is 201211210112219. The reversal of 201211210112201 is 102211012112102.

It is a cyclic number.

It is not a de Polignac number, because 201211210112201 - 2⁴² = 196813163601097 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 201211210112201.

It is not an unprimeable number, because it can be changed into a prime (201211210112501) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 650485826 + ... + 650795076.

It is an arithmetic number, because the mean of its divisors is an integer number (12683452473648).

Almost surely, 2^{201211210112201} is an apocalyptic number.

It is an amenable number.

201211210112201 is a deficient number, since it is larger than the sum of its proper divisors (1724029466167).

201211210112201 is a wasteful number, since it uses less digits than its factorization.

201211210112201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 313972.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 201211210112201 its reverse (102211012112102), we get a palindrome (303422222224303).

The spelling of 201211210112201 in words is "two hundred one trillion, two hundred eleven billion, two hundred ten million, one hundred twelve thousand, two hundred one".