20012020110011 has 2 divisors, whose sum is σ = 20012020110012. Its totient is φ = 20012020110010.

The previous prime is 20012020109957. The next prime is 20012020110031. The reversal of 20012020110011 is 11001102021002.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20012020110011 - 2¹⁴ = 20012020093627 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20012020109974 and 20012020110001.

It is not a weakly prime, because it can be changed into another prime (20012020110031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10006010055005 + 10006010055006.

It is an arithmetic number, because the mean of its divisors is an integer number (10006010055006).

Almost surely, 2^{20012020110011} is an apocalyptic number.

20012020110011 is a deficient number, since it is larger than the sum of its proper divisors (1).

20012020110011 is an equidigital number, since it uses as much as digits as its factorization.

20012020110011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 20012020110011 its reverse (11001102021002), we get a palindrome (31013122131013).

The spelling of 20012020110011 in words is "twenty trillion, twelve billion, twenty million, one hundred ten thousand, eleven".