20201020012211 has 4 divisors (see below), whose sum is σ = 20258246698152. Its totient is φ = 20143793326272.

The previous prime is 20201020012189. The next prime is 20201020012237. The reversal of 20201020012211 is 11221002010202.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 20201020012211 - 2³⁸ = 19926142105267 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20201020032211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28613342441 + ... + 28613343146.

It is an arithmetic number, because the mean of its divisors is an integer number (5064561674538).

Almost surely, 2^{20201020012211} is an apocalyptic number.

20201020012211 is a deficient number, since it is larger than the sum of its proper divisors (57226685941).

20201020012211 is an equidigital number, since it uses as much as digits as its factorization.

20201020012211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57226685940.

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

Adding to 20201020012211 its reverse (11221002010202), we get a palindrome (31422022022413).

The spelling of 20201020012211 in words is "twenty trillion, two hundred one billion, twenty million, twelve thousand, two hundred eleven".