2111313444043 has 4 divisors (see below), whose sum is σ = 2111324385088. Its totient is φ = 2111302503000.

The previous prime is 2111313444013. The next prime is 2111313444061. The reversal of 2111313444043 is 3404443131112.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2111313444043 - 2⁵ = 2111313444011 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2111313443996 and 2111313444014.

It is not an unprimeable number, because it can be changed into a prime (2111313444013) 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, 5175771 + ... + 5568772.

It is an arithmetic number, because the mean of its divisors is an integer number (527831096272).

Almost surely, 2^{2111313444043} is an apocalyptic number.

2111313444043 is a deficient number, since it is larger than the sum of its proper divisors (10941045).

2111313444043 is a wasteful number, since it uses less digits than its factorization.

2111313444043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10941044.

The product of its (nonzero) digits is 13824, while the sum is 31.

Adding to 2111313444043 its reverse (3404443131112), we get a palindrome (5515756575155).

The spelling of 2111313444043 in words is "two trillion, one hundred eleven billion, three hundred thirteen million, four hundred forty-four thousand, forty-three".