11201001221017 has 2 divisors, whose sum is σ = 11201001221018. Its totient is φ = 11201001221016.

The previous prime is 11201001220999. The next prime is 11201001221029. The reversal of 11201001221017 is 71012210010211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11088760140441 + 112241080576 = 3329979^2 + 335024^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11201001221017 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11201001220985 and 11201001221003.

It is not a weakly prime, because it can be changed into another prime (11201001221077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5600500610508 + 5600500610509.

It is an arithmetic number, because the mean of its divisors is an integer number (5600500610509).

Almost surely, 2^{11201001221017} is an apocalyptic number.

It is an amenable number.

11201001221017 is a deficient number, since it is larger than the sum of its proper divisors (1).

11201001221017 is an equidigital number, since it uses as much as digits as its factorization.

11201001221017 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 56, while the sum is 19.

Adding to 11201001221017 its reverse (71012210010211), we get a palindrome (82213211231228).

The spelling of 11201001221017 in words is "eleven trillion, two hundred one billion, one million, two hundred twenty-one thousand, seventeen".