1001321111113 has 4 divisors (see below), whose sum is σ = 1006066709008. Its totient is φ = 996575513220.

The previous prime is 1001321111069. The next prime is 1001321111117. The reversal of 1001321111113 is 3111111231001.

1001321111113 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1001321111113 - 2²⁵ = 1001287556681 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1001321111117) 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, 2372798631 + ... + 2372799052.

It is an arithmetic number, because the mean of its divisors is an integer number (251516677252).

Almost surely, 2^{1001321111113} is an apocalyptic number.

It is an amenable number.

1001321111113 is a deficient number, since it is larger than the sum of its proper divisors (4745597895).

1001321111113 is an equidigital number, since it uses as much as digits as its factorization.

1001321111113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4745597894.

The product of its (nonzero) digits is 18, while the sum is 16.

Adding to 1001321111113 its reverse (3111111231001), we get a palindrome (4112432342114).

The spelling of 1001321111113 in words is "one trillion, one billion, three hundred twenty-one million, one hundred eleven thousand, one hundred thirteen".