20011103211713 has 2 divisors, whose sum is σ = 20011103211714. Its totient is φ = 20011103211712.

The previous prime is 20011103211667. The next prime is 20011103211751. The reversal of 20011103211713 is 31711230111002.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 15527792443024 + 4483310768689 = 3940532^2 + 2117383^2 .

It is a cyclic number.

It is not a de Polignac number, because 20011103211713 - 2¹⁰ = 20011103210689 is a prime.

It is a super-3 number, since 3×20011103211713³ (a number of 41 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (20011103211793) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10005551605856 + 10005551605857.

It is an arithmetic number, because the mean of its divisors is an integer number (10005551605857).

Almost surely, 2^{20011103211713} is an apocalyptic number.

It is an amenable number.

20011103211713 is a deficient number, since it is larger than the sum of its proper divisors (1).

20011103211713 is an equidigital number, since it uses as much as digits as its factorization.

20011103211713 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 252, while the sum is 23.

Adding to 20011103211713 its reverse (31711230111002), we get a palindrome (51722333322715).

The spelling of 20011103211713 in words is "twenty trillion, eleven billion, one hundred three million, two hundred eleven thousand, seven hundred thirteen".