2001321002183 has 2 divisors, whose sum is σ = 2001321002184. Its totient is φ = 2001321002182.

The previous prime is 2001321002167. The next prime is 2001321002203. The reversal of 2001321002183 is 3812001231002.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2001321002183 - 2⁴ = 2001321002167 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2001321002383) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1000660501091 + 1000660501092.

It is an arithmetic number, because the mean of its divisors is an integer number (1000660501092).

Almost surely, 2^{2001321002183} is an apocalyptic number.

2001321002183 is a deficient number, since it is larger than the sum of its proper divisors (1).

2001321002183 is an equidigital number, since it uses as much as digits as its factorization.

2001321002183 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 23.

Adding to 2001321002183 its reverse (3812001231002), we get a palindrome (5813322233185).

The spelling of 2001321002183 in words is "two trillion, one billion, three hundred twenty-one million, two thousand, one hundred eighty-three".