201101111201211 has 32 divisors (see below), whose sum is σ = 305754900816960. Its totient is φ = 116471646019584.

The previous prime is 201101111201167. The next prime is 201101111201233. The reversal of 201101111201211 is 112102111101102.

It is not a de Polignac number, because 201101111201211 - 2⁷ = 201101111201083 is a prime.

It is not an unprimeable number, because it can be changed into a prime (201101111201411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20038995 + ... + 28350723.

It is an arithmetic number, because the mean of its divisors is an integer number (9554840650530).

Almost surely, 2^{201101111201211} is an apocalyptic number.

201101111201211 is a deficient number, since it is larger than the sum of its proper divisors (104653789615749).

201101111201211 is a wasteful number, since it uses less digits than its factorization.

201101111201211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8348255.

The product of its (nonzero) digits is 8, while the sum is 15.

Adding to 201101111201211 its reverse (112102111101102), we get a palindrome (313203222302313).

The spelling of 201101111201211 in words is "two hundred one trillion, one hundred one billion, one hundred eleven million, two hundred one thousand, two hundred eleven".