11201201211 has 4 divisors (see below), whose sum is σ = 14934934952. Its totient is φ = 7467467472.

The previous prime is 11201201191. The next prime is 11201201237. The reversal of 11201201211 is 11210210211.

11201201211 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 11201201211 - 2⁷ = 11201201083 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11201201911) 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 3 ways as a sum of consecutive naturals, for example, 1866866866 + ... + 1866866871.

It is an arithmetic number, because the mean of its divisors is an integer number (3733733738).

Almost surely, 2^11201201211 is an apocalyptic number.

11201201211 is a deficient number, since it is larger than the sum of its proper divisors (3733733741).

11201201211 is an equidigital number, since it uses as much as digits as its factorization.

11201201211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3733733740.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 11201201211 its reverse (11210210211), we get a palindrome (22411411422).

The spelling of 11201201211 in words is "eleven billion, two hundred one million, two hundred one thousand, two hundred eleven".