2101443443513 has 4 divisors (see below), whose sum is σ = 2103369607248. Its totient is φ = 2099517279780.

The previous prime is 2101443443507. The next prime is 2101443443527. The reversal of 2101443443513 is 3153443441012.

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 2101443443513 - 2⁸ = 2101443443257 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2101443443413) 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, 963080231 + ... + 963082412.

It is an arithmetic number, because the mean of its divisors is an integer number (525842401812).

Almost surely, 2^{2101443443513} is an apocalyptic number.

It is an amenable number.

2101443443513 is a deficient number, since it is larger than the sum of its proper divisors (1926163735).

2101443443513 is a wasteful number, since it uses less digits than its factorization.

2101443443513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1926163734.

The product of its (nonzero) digits is 69120, while the sum is 35.

Adding to 2101443443513 its reverse (3153443441012), we get a palindrome (5254886884525).

The spelling of 2101443443513 in words is "two trillion, one hundred one billion, four hundred forty-three million, four hundred forty-three thousand, five hundred thirteen".