201122012011 has 2 divisors, whose sum is σ = 201122012012. Its totient is φ = 201122012010.

The previous prime is 201122011991. The next prime is 201122012027. The reversal of 201122012011 is 110210221102.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 201122012011 - 2⁹ = 201122011499 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 201122011982 and 201122012000.

It is not a weakly prime, because it can be changed into another prime (201122012051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100561006005 + 100561006006.

It is an arithmetic number, because the mean of its divisors is an integer number (100561006006).

Almost surely, 2^201122012011 is an apocalyptic number.

201122012011 is a deficient number, since it is larger than the sum of its proper divisors (1).

201122012011 is an equidigital number, since it uses as much as digits as its factorization.

201122012011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 201122012011 its reverse (110210221102), we get a palindrome (311332233113).

The spelling of 201122012011 in words is "two hundred one billion, one hundred twenty-two million, twelve thousand, eleven".