20202021120011 has 2 divisors, whose sum is σ = 20202021120012. Its totient is φ = 20202021120010.

The previous prime is 20202021119963. The next prime is 20202021120013. The reversal of 20202021120011 is 11002112020202.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20202021120011 - 2⁶ = 20202021119947 is a prime.

Together with 20202021120013, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (20202021120013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10101010560005 + 10101010560006.

It is an arithmetic number, because the mean of its divisors is an integer number (10101010560006).

Almost surely, 2^{20202021120011} is an apocalyptic number.

20202021120011 is a deficient number, since it is larger than the sum of its proper divisors (1).

20202021120011 is an equidigital number, since it uses as much as digits as its factorization.

20202021120011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 20202021120011 its reverse (11002112020202), we get a palindrome (31204133140213).

The spelling of 20202021120011 in words is "twenty trillion, two hundred two billion, twenty-one million, one hundred twenty thousand, eleven".