20010102020011 has 2 divisors, whose sum is σ = 20010102020012. Its totient is φ = 20010102020010.

The previous prime is 20010102019993. The next prime is 20010102020023. The reversal of 20010102020011 is 11002020101002.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20010102020011 - 2²⁵ = 20010068465579 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20010102020011.

It is not a weakly prime, because it can be changed into another prime (20010102020611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10005051010005 + 10005051010006.

It is an arithmetic number, because the mean of its divisors is an integer number (10005051010006).

Almost surely, 2^{20010102020011} is an apocalyptic number.

20010102020011 is a deficient number, since it is larger than the sum of its proper divisors (1).

20010102020011 is an equidigital number, since it uses as much as digits as its factorization.

20010102020011 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 20010102020011 its reverse (11002020101002), we get a palindrome (31012122121013).

The spelling of 20010102020011 in words is "twenty trillion, ten billion, one hundred two million, twenty thousand, eleven".