20010102113317 has 2 divisors, whose sum is σ = 20010102113318. Its totient is φ = 20010102113316.

The previous prime is 20010102113303. The next prime is 20010102113327. The reversal of 20010102113317 is 71331120101002.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 19560443352961 + 449658760356 = 4422719^2 + 670566^2 .

It is a cyclic number.

It is not a de Polignac number, because 20010102113317 - 2¹¹ = 20010102111269 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20010102113327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10005051056658 + 10005051056659.

It is an arithmetic number, because the mean of its divisors is an integer number (10005051056659).

Almost surely, 2^{20010102113317} is an apocalyptic number.

It is an amenable number.

20010102113317 is a deficient number, since it is larger than the sum of its proper divisors (1).

20010102113317 is an equidigital number, since it uses as much as digits as its factorization.

20010102113317 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 252, while the sum is 22.

Adding to 20010102113317 its reverse (71331120101002), we get a palindrome (91341222214319).

The spelling of 20010102113317 in words is "twenty trillion, ten billion, one hundred two million, one hundred thirteen thousand, three hundred seventeen".