2112001001003 has 2 divisors, whose sum is σ = 2112001001004. Its totient is φ = 2112001001002.

The previous prime is 2112001000981. The next prime is 2112001001021. The reversal of 2112001001003 is 3001001002112.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2112001001003 - 2⁶ = 2112001000939 is a prime.

It is not a weakly prime, because it can be changed into another prime (2112001001203) 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, 1056000500501 + 1056000500502.

It is an arithmetic number, because the mean of its divisors is an integer number (1056000500502).

Almost surely, 2^{2112001001003} is an apocalyptic number.

2112001001003 is a deficient number, since it is larger than the sum of its proper divisors (1).

2112001001003 is an equidigital number, since it uses as much as digits as its factorization.

2112001001003 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12, while the sum is 11.

Adding to 2112001001003 its reverse (3001001002112), we get a palindrome (5113002003115).

The spelling of 2112001001003 in words is "two trillion, one hundred twelve billion, one million, one thousand, three".