2001331013122 has 16 divisors (see below), whose sum is σ = 3431622004992. Its totient is φ = 857521081440.

The previous prime is 2001331013093. The next prime is 2001331013153. The reversal of 2001331013122 is 2213101331002.

It is a self number, because there is not a number n which added to its sum of digits gives 2001331013122.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15952779 + ... + 16077742.

It is an arithmetic number, because the mean of its divisors is an integer number (214476375312).

Almost surely, 2^{2001331013122} is an apocalyptic number.

2001331013122 is a deficient number, since it is larger than the sum of its proper divisors (1430290991870).

2001331013122 is a wasteful number, since it uses less digits than its factorization.

2001331013122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32034993.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 2001331013122 its reverse (2213101331002), we get a palindrome (4214432344124).

The spelling of 2001331013122 in words is "two trillion, one billion, three hundred thirty-one million, thirteen thousand, one hundred twenty-two".