20000011122017 has 2 divisors, whose sum is σ = 20000011122018. Its totient is φ = 20000011122016.

The previous prime is 20000011122001. The next prime is 20000011122083. The reversal of 20000011122017 is 71022111000002.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19997388760336 + 2622361681 = 4471844^2 + 51209^2 .

It is a cyclic number.

It is not a de Polignac number, because 20000011122017 - 2⁴ = 20000011122001 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20000011121986 and 20000011122004.

It is not a weakly prime, because it can be changed into another prime (20000011124017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10000005561008 + 10000005561009.

It is an arithmetic number, because the mean of its divisors is an integer number (10000005561009).

Almost surely, 2^{20000011122017} is an apocalyptic number.

It is an amenable number.

20000011122017 is a deficient number, since it is larger than the sum of its proper divisors (1).

20000011122017 is an equidigital number, since it uses as much as digits as its factorization.

20000011122017 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 17.

Adding to 20000011122017 its reverse (71022111000002), we get a palindrome (91022122122019).

The spelling of 20000011122017 in words is "twenty trillion, eleven million, one hundred twenty-two thousand, seventeen".