2000221211 has 4 divisors (see below), whose sum is σ = 2000693592. Its totient is φ = 1999748832.

The previous prime is 2000221187. The next prime is 2000221213. The reversal of 2000221211 is 1121220002.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2000221211 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2000221192 and 2000221201.

It is not an unprimeable number, because it can be changed into a prime (2000221213) 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, 229781 + ... + 238326.

It is an arithmetic number, because the mean of its divisors is an integer number (500173398).

Almost surely, 2^2000221211 is an apocalyptic number.

2000221211 is a deficient number, since it is larger than the sum of its proper divisors (472381).

2000221211 is an equidigital number, since it uses as much as digits as its factorization.

2000221211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 472380.

The product of its (nonzero) digits is 16, while the sum is 11.

The square root of 2000221211 is about 44723.8326957787. The cubic root of 2000221211 is about 1259.9674995816.

Adding to 2000221211 its reverse (1121220002), we get a palindrome (3121441213).

The spelling of 2000221211 in words is "two billion, two hundred twenty-one thousand, two hundred eleven".