2000201221 has 8 divisors (see below), whose sum is σ = 2006316864. Its totient is φ = 1994096160.

The previous prime is 2000201209. The next prime is 2000201227. The reversal of 2000201221 is 1221020002.

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

It is a cyclic number.

It is not a de Polignac number, because 2000201221 - 2¹³ = 2000193029 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2000201198 and 2000201207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2000201227) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 519921 + ... + 523753.

It is an arithmetic number, because the mean of its divisors is an integer number (250789608).

Almost surely, 2^2000201221 is an apocalyptic number.

It is an amenable number.

2000201221 is a deficient number, since it is larger than the sum of its proper divisors (6115643).

2000201221 is an equidigital number, since it uses as much as digits as its factorization.

2000201221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5291.

The product of its (nonzero) digits is 16, while the sum is 10.

The square root of 2000201221 is about 44723.6092125848. The cubic root of 2000201221 is about 1259.9633022402.

Adding to 2000201221 its reverse (1221020002), we get a palindrome (3221221223).

The spelling of 2000201221 in words is "two billion, two hundred one thousand, two hundred twenty-one".