2002112001943 has 2 divisors, whose sum is σ = 2002112001944. Its totient is φ = 2002112001942.

The previous prime is 2002112001941. The next prime is 2002112002049. The reversal of 2002112001943 is 3491002112002.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2002112001943 - 2¹ = 2002112001941 is a prime.

Together with 2002112001941, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2002112001941) 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 as a sum of consecutive naturals, namely, 1001056000971 + 1001056000972.

It is an arithmetic number, because the mean of its divisors is an integer number (1001056000972).

Almost surely, 2^{2002112001943} is an apocalyptic number.

2002112001943 is a deficient number, since it is larger than the sum of its proper divisors (1).

2002112001943 is an equidigital number, since it uses as much as digits as its factorization.

2002112001943 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 25.

Adding to 2002112001943 its reverse (3491002112002), we get a palindrome (5493114113945).

The spelling of 2002112001943 in words is "two trillion, two billion, one hundred twelve million, one thousand, nine hundred forty-three".