201111002201211 has 4 divisors (see below), whose sum is σ = 268148002934952. Its totient is φ = 134074001467472.

The previous prime is 201111002201183. The next prime is 201111002201261. The reversal of 201111002201211 is 112102200111102.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 201111002201211 - 2⁶ = 201111002201147 is a prime.

It is not an unprimeable number, because it can be changed into a prime (201111002201261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33518500366866 + ... + 33518500366871.

It is an arithmetic number, because the mean of its divisors is an integer number (67037000733738).

Almost surely, 2^{201111002201211} is an apocalyptic number.

201111002201211 is a deficient number, since it is larger than the sum of its proper divisors (67037000733741).

201111002201211 is an equidigital number, since it uses as much as digits as its factorization.

201111002201211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67037000733740.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 201111002201211 its reverse (112102200111102), we get a palindrome (313213202312313).

The spelling of 201111002201211 in words is "two hundred one trillion, one hundred eleven billion, two million, two hundred one thousand, two hundred eleven".