2001132321113 has 16 divisors (see below), whose sum is σ = 2122282512000. Its totient is φ = 1883532040320.

The previous prime is 2001132321109. The next prime is 2001132321119. The reversal of 2001132321113 is 3111232311002.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 2001132321113 - 2² = 2001132321109 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2001132321119) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 869588 + ... + 2181386.

It is an arithmetic number, because the mean of its divisors is an integer number (132642657000).

Almost surely, 2^{2001132321113} is an apocalyptic number.

It is an amenable number.

2001132321113 is a deficient number, since it is larger than the sum of its proper divisors (121150190887).

2001132321113 is a wasteful number, since it uses less digits than its factorization.

2001132321113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1313152.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 2001132321113 its reverse (3111232311002), we get a palindrome (5112364632115).

The spelling of 2001132321113 in words is "two trillion, one billion, one hundred thirty-two million, three hundred twenty-one thousand, one hundred thirteen".