2001213303301 has 4 divisors (see below), whose sum is σ = 2001385937452. Its totient is φ = 2001040669152.

The previous prime is 2001213303293. The next prime is 2001213303361. The reversal of 2001213303301 is 1033033121002.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1658039947201 + 343173356100 = 1287649^2 + 585810^2 .

It is a cyclic number.

It is not a de Polignac number, because 2001213303301 - 2³ = 2001213303293 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2001213303361) 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, 86299686 + ... + 86322871.

It is an arithmetic number, because the mean of its divisors is an integer number (500346484363).

Almost surely, 2^{2001213303301} is an apocalyptic number.

It is an amenable number.

2001213303301 is a deficient number, since it is larger than the sum of its proper divisors (172634151).

2001213303301 is a wasteful number, since it uses less digits than its factorization.

2001213303301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172634150.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 2001213303301 its reverse (1033033121002), we get a palindrome (3034246424303).

The spelling of 2001213303301 in words is "two trillion, one billion, two hundred thirteen million, three hundred three thousand, three hundred one".