201111010117 has 2 divisors, whose sum is σ = 201111010118. Its totient is φ = 201111010116.

The previous prime is 201111010091. The next prime is 201111010193. The reversal of 201111010117 is 711010111102.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 164187850401 + 36923159716 = 405201^2 + 192154^2 .

It is a cyclic number.

It is not a de Polignac number, because 201111010117 - 2⁷ = 201111009989 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 201111010117.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (201111010417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100555505058 + 100555505059.

It is an arithmetic number, because the mean of its divisors is an integer number (100555505059).

Almost surely, 2^201111010117 is an apocalyptic number.

It is an amenable number.

201111010117 is a deficient number, since it is larger than the sum of its proper divisors (1).

201111010117 is an equidigital number, since it uses as much as digits as its factorization.

201111010117 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14, while the sum is 16.

Adding to 201111010117 its reverse (711010111102), we get a palindrome (912121121219).

The spelling of 201111010117 in words is "two hundred one billion, one hundred eleven million, ten thousand, one hundred seventeen".