211231112201 has 16 divisors (see below), whose sum is σ = 216765289728. Its totient is φ = 205741219200.

The previous prime is 211231112173. The next prime is 211231112219. The reversal of 211231112201 is 102211132112.

It is a happy number.

211231112201 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 211231112201 - 2³⁰ = 210157370377 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 211231112201.

It is not an unprimeable number, because it can be changed into a prime (211231142201) 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, 27713171 + ... + 27720791.

It is an arithmetic number, because the mean of its divisors is an integer number (13547830608).

Almost surely, 2^211231112201 is an apocalyptic number.

It is an amenable number.

211231112201 is a deficient number, since it is larger than the sum of its proper divisors (5534177527).

211231112201 is a wasteful number, since it uses less digits than its factorization.

211231112201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10432.

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 211231112201 its reverse (102211132112), we get a palindrome (313442244313).

The spelling of 211231112201 in words is "two hundred eleven billion, two hundred thirty-one million, one hundred twelve thousand, two hundred one".