201122030311 has 2 divisors, whose sum is σ = 201122030312. Its totient is φ = 201122030310.

The previous prime is 201122030303. The next prime is 201122030341. The reversal of 201122030311 is 113030221102.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 201122030311 - 2³ = 201122030303 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (201122030341) 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 as a sum of consecutive naturals, namely, 100561015155 + 100561015156.

It is an arithmetic number, because the mean of its divisors is an integer number (100561015156).

Almost surely, 2^201122030311 is an apocalyptic number.

201122030311 is a deficient number, since it is larger than the sum of its proper divisors (1).

201122030311 is an equidigital number, since it uses as much as digits as its factorization.

201122030311 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 201122030311 its reverse (113030221102), we get a palindrome (314152251413).

The spelling of 201122030311 in words is "two hundred one billion, one hundred twenty-two million, thirty thousand, three hundred eleven".