2113324440001 has 4 divisors (see below), whose sum is σ = 2237637642372. Its totient is φ = 1989011237632.

The previous prime is 2113324439987. The next prime is 2113324440077. The reversal of 2113324440001 is 1000444233112.

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 1455726706225 + 657597733776 = 1206535^2 + 810924^2 .

It is a cyclic number.

It is not a de Polignac number, because 2113324440001 - 2²³ = 2113316051393 is a prime.

It is a super-2 number, since 2×2113324440001² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2113324440401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 62156601160 + ... + 62156601193.

It is an arithmetic number, because the mean of its divisors is an integer number (559409410593).

Almost surely, 2^{2113324440001} is an apocalyptic number.

It is an amenable number.

2113324440001 is a deficient number, since it is larger than the sum of its proper divisors (124313202371).

2113324440001 is a wasteful number, since it uses less digits than its factorization.

2113324440001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124313202370.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 2113324440001 its reverse (1000444233112), we get a palindrome (3113768673113).

The spelling of 2113324440001 in words is "two trillion, one hundred thirteen billion, three hundred twenty-four million, four hundred forty thousand, one".