2001322210 has 8 divisors (see below), whose sum is σ = 3602379996. Its totient is φ = 800528880.

The previous prime is 2001322201. The next prime is 2001322291. The reversal of 2001322210 is 122231002.

It can be written as a sum of positive squares in 2 ways, for example, as 1839294769 + 162027441 = 42887^2 + 12729^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 100066101 + ... + 100066120.

Almost surely, 2^2001322210 is an apocalyptic number.

2001322210 is a deficient number, since it is larger than the sum of its proper divisors (1601057786).

2001322210 is a wasteful number, since it uses less digits than its factorization.

2001322210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200132228.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 2001322210 is about 44736.1398647671. The cubic root of 2001322210 is about 1260.1986354347.

Adding to 2001322210 its reverse (122231002), we get a palindrome (2123553212).

The spelling of 2001322210 in words is "two billion, one million, three hundred twenty-two thousand, two hundred ten".