2021220000211 has 4 divisors (see below), whose sum is σ = 2021229058392. Its totient is φ = 2021210942032.

The previous prime is 2021220000203. The next prime is 2021220000229. The reversal of 2021220000211 is 1120000221202.

It is a happy number.

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 2021220000211 - 2³ = 2021220000203 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2021220000191 and 2021220000200.

It is not an unprimeable number, because it can be changed into a prime (2021220007211) 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, 4185706 + ... + 4643551.

It is an arithmetic number, because the mean of its divisors is an integer number (505307264598).

Almost surely, 2^{2021220000211} is an apocalyptic number.

2021220000211 is a deficient number, since it is larger than the sum of its proper divisors (9058181).

2021220000211 is an equidigital number, since it uses as much as digits as its factorization.

2021220000211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9058180.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 2021220000211 its reverse (1120000221202), we get a palindrome (3141220221413).

The spelling of 2021220000211 in words is "two trillion, twenty-one billion, two hundred twenty million, two hundred eleven", and thus it is an aban number.