201003111017 has 2 divisors, whose sum is σ = 201003111018. Its totient is φ = 201003111016.

The previous prime is 201003110993. The next prime is 201003111053. The reversal of 201003111017 is 710111300102.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 115612920361 + 85390190656 = 340019^2 + 292216^2 .

It is a cyclic number.

It is not a de Polignac number, because 201003111017 - 2²⁰ = 201002062441 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 201003110986 and 201003111004.

It is not a weakly prime, because it can be changed into another prime (201003111217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100501555508 + 100501555509.

It is an arithmetic number, because the mean of its divisors is an integer number (100501555509).

Almost surely, 2^201003111017 is an apocalyptic number.

It is an amenable number.

201003111017 is a deficient number, since it is larger than the sum of its proper divisors (1).

201003111017 is an equidigital number, since it uses as much as digits as its factorization.

201003111017 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 42, while the sum is 17.

Adding to 201003111017 its reverse (710111300102), we get a palindrome (911114411119).

The spelling of 201003111017 in words is "two hundred one billion, three million, one hundred eleven thousand, seventeen".