20201010111211 has 16 divisors (see below), whose sum is σ = 21421886270400. Its totient is φ = 19021090733568.

The previous prime is 20201010111203. The next prime is 20201010111239. The reversal of 20201010111211 is 11211101010202.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 20201010111211 - 2³ = 20201010111203 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20201010111191 and 20201010111200.

It is not an unprimeable number, because it can be changed into a prime (20201010111241) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53419911 + ... + 53796736.

It is an arithmetic number, because the mean of its divisors is an integer number (1338867891900).

Almost surely, 2^{20201010111211} is an apocalyptic number.

20201010111211 is a deficient number, since it is larger than the sum of its proper divisors (1220876159189).

20201010111211 is a wasteful number, since it uses less digits than its factorization.

20201010111211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107216838.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 20201010111211 its reverse (11211101010202), we get a palindrome (31412111121413).

The spelling of 20201010111211 in words is "twenty trillion, two hundred one billion, ten million, one hundred eleven thousand, two hundred eleven".