201122200120111 has 2 divisors, whose sum is σ = 201122200120112. Its totient is φ = 201122200120110.

The previous prime is 201122200120021. The next prime is 201122200120147. The reversal of 201122200120111 is 111021002221102.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 201122200120111 - 2²⁵ = 201122166565679 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (201122200120211) 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 as a sum of consecutive naturals, namely, 100561100060055 + 100561100060056.

It is an arithmetic number, because the mean of its divisors is an integer number (100561100060056).

Almost surely, 2^{201122200120111} is an apocalyptic number.

201122200120111 is a deficient number, since it is larger than the sum of its proper divisors (1).

201122200120111 is an equidigital number, since it uses as much as digits as its factorization.

201122200120111 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 201122200120111 its reverse (111021002221102), we get a palindrome (312143202341213).

The spelling of 201122200120111 in words is "two hundred one trillion, one hundred twenty-two billion, two hundred million, one hundred twenty thousand, one hundred eleven".