2001112201313 has 4 divisors (see below), whose sum is σ = 2055196314900. Its totient is φ = 1947028087728.

The previous prime is 2001112201289. The next prime is 2001112201381. The reversal of 2001112201313 is 3131022111002.

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 1563420135424 + 437692065889 = 1250368^2 + 661583^2 .

It is a cyclic number.

It is not a de Polignac number, because 2001112201313 - 2¹⁰ = 2001112200289 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2001112201291 and 2001112201300.

It is not an unprimeable number, because it can be changed into a prime (2001112203313) 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, 27042056738 + ... + 27042056811.

It is an arithmetic number, because the mean of its divisors is an integer number (513799078725).

Almost surely, 2^{2001112201313} is an apocalyptic number.

It is an amenable number.

2001112201313 is a deficient number, since it is larger than the sum of its proper divisors (54084113587).

2001112201313 is an equidigital number, since it uses as much as digits as its factorization.

2001112201313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54084113586.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 2001112201313 its reverse (3131022111002), we get a palindrome (5132134312315).

The spelling of 2001112201313 in words is "two trillion, one billion, one hundred twelve million, two hundred one thousand, three hundred thirteen".