201020021000011 has 2 divisors, whose sum is σ = 201020021000012. Its totient is φ = 201020021000010.

The previous prime is 201020020999961. The next prime is 201020021000087. The reversal of 201020021000011 is 110000120020102.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 201020021000011 - 2²⁷ = 201019886782283 is a prime.

It is not a weakly prime, because it can be changed into another prime (201020021009011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100510010500005 + 100510010500006.

It is an arithmetic number, because the mean of its divisors is an integer number (100510010500006).

Almost surely, 2^{201020021000011} is an apocalyptic number.

201020021000011 is a deficient number, since it is larger than the sum of its proper divisors (1).

201020021000011 is an equidigital number, since it uses as much as digits as its factorization.

201020021000011 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 10.

Adding to 201020021000011 its reverse (110000120020102), we get a palindrome (311020141020113).

The spelling of 201020021000011 in words is "two hundred one trillion, twenty billion, twenty-one million, eleven", and thus it is an aban number.