201122011010111 has 2 divisors, whose sum is σ = 201122011010112. Its totient is φ = 201122011010110.

The previous prime is 201122011010069. The next prime is 201122011010147. The reversal of 201122011010111 is 111010110221102.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-201122011010111 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (201122011010311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100561005505055 + 100561005505056.

It is an arithmetic number, because the mean of its divisors is an integer number (100561005505056).

Almost surely, 2^{201122011010111} is an apocalyptic number.

201122011010111 is a deficient number, since it is larger than the sum of its proper divisors (1).

201122011010111 is an equidigital number, since it uses as much as digits as its factorization.

201122011010111 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 201122011010111 its reverse (111010110221102), we get a palindrome (312132121231213).

The spelling of 201122011010111 in words is "two hundred one trillion, one hundred twenty-two billion, eleven million, ten thousand, one hundred eleven".