2001230011013 has 2 divisors, whose sum is σ = 2001230011014. Its totient is φ = 2001230011012.

The previous prime is 2001230011009. The next prime is 2001230011087. The reversal of 2001230011013 is 3101100321002.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1874538863044 + 126691147969 = 1369138^2 + 355937^2 .

It is a cyclic number.

It is not a de Polignac number, because 2001230011013 - 2² = 2001230011009 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2001230011003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1000615005506 + 1000615005507.

It is an arithmetic number, because the mean of its divisors is an integer number (1000615005507).

Almost surely, 2^{2001230011013} is an apocalyptic number.

It is an amenable number.

2001230011013 is a deficient number, since it is larger than the sum of its proper divisors (1).

2001230011013 is an equidigital number, since it uses as much as digits as its factorization.

2001230011013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 2001230011013 its reverse (3101100321002), we get a palindrome (5102330332015).

The spelling of 2001230011013 in words is "two trillion, one billion, two hundred thirty million, eleven thousand, thirteen".