20201000215211 has 2 divisors, whose sum is σ = 20201000215212. Its totient is φ = 20201000215210.

The previous prime is 20201000215189. The next prime is 20201000215237. The reversal of 20201000215211 is 11251200010202.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20201000215211 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20201000215211.

It is not a weakly prime, because it can be changed into another prime (20201000215241) 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, 10100500107605 + 10100500107606.

It is an arithmetic number, because the mean of its divisors is an integer number (10100500107606).

Almost surely, 2^{20201000215211} is an apocalyptic number.

20201000215211 is a deficient number, since it is larger than the sum of its proper divisors (1).

20201000215211 is an equidigital number, since it uses as much as digits as its factorization.

20201000215211 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 80, while the sum is 17.

Adding to 20201000215211 its reverse (11251200010202), we get a palindrome (31452200225413).

The spelling of 20201000215211 in words is "twenty trillion, two hundred one billion, two hundred fifteen thousand, two hundred eleven".