2021200220211 has 4 divisors (see below), whose sum is σ = 2694933626952. Its totient is φ = 1347466813472.

The previous prime is 2021200220153. The next prime is 2021200220239. The reversal of 2021200220211 is 1120220021202.

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 2021200220211 - 2¹⁵ = 2021200187443 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2021200220111) 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, 336866703366 + ... + 336866703371.

It is an arithmetic number, because the mean of its divisors is an integer number (673733406738).

Almost surely, 2^{2021200220211} is an apocalyptic number.

2021200220211 is a deficient number, since it is larger than the sum of its proper divisors (673733406741).

2021200220211 is an equidigital number, since it uses as much as digits as its factorization.

2021200220211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 673733406740.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 2021200220211 its reverse (1120220021202), we get a palindrome (3141420241413).

The spelling of 2021200220211 in words is "two trillion, twenty-one billion, two hundred million, two hundred twenty thousand, two hundred eleven".