201112385017 has 2 divisors, whose sum is σ = 201112385018. Its totient is φ = 201112385016.

The previous prime is 201112385003. The next prime is 201112385053. The reversal of 201112385017 is 710583211102.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 171975260601 + 29137124416 = 414699^2 + 170696^2 .

It is a cyclic number.

It is not a de Polignac number, because 201112385017 - 2¹¹ = 201112382969 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 201112385017.

It is not a weakly prime, because it can be changed into another prime (201112385317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100556192508 + 100556192509.

It is an arithmetic number, because the mean of its divisors is an integer number (100556192509).

Almost surely, 2^201112385017 is an apocalyptic number.

It is an amenable number.

201112385017 is a deficient number, since it is larger than the sum of its proper divisors (1).

201112385017 is an equidigital number, since it uses as much as digits as its factorization.

201112385017 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3360, while the sum is 31.

Adding to 201112385017 its reverse (710583211102), we get a palindrome (911695596119).

The spelling of 201112385017 in words is "two hundred one billion, one hundred twelve million, three hundred eighty-five thousand, seventeen".