2000221221 has 8 divisors (see below), whose sum is σ = 2739041824. Its totient is φ = 1297440720.

The previous prime is 2000221213. The next prime is 2000221261. The reversal of 2000221221 is 1221220002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2000221221 - 2³ = 2000221213 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2000221197 and 2000221206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2000221261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9009895 + ... + 9010116.

It is an arithmetic number, because the mean of its divisors is an integer number (342380228).

Almost surely, 2^2000221221 is an apocalyptic number.

It is an amenable number.

2000221221 is a deficient number, since it is larger than the sum of its proper divisors (738820603).

2000221221 is a wasteful number, since it uses less digits than its factorization.

2000221221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18020051.

The product of its (nonzero) digits is 32, while the sum is 12.

The square root of 2000221221 is about 44723.8328075759. The cubic root of 2000221221 is about 1259.9675016813.

Adding to 2000221221 its reverse (1221220002), we get a palindrome (3221441223).

The spelling of 2000221221 in words is "two billion, two hundred twenty-one thousand, two hundred twenty-one".