2104012101329 has 2 divisors, whose sum is σ = 2104012101330. Its totient is φ = 2104012101328.

The previous prime is 2104012101313. The next prime is 2104012101409. The reversal of 2104012101329 is 9231012104012.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2087158090000 + 16854011329 = 1444700^2 + 129823^2 .

It is a cyclic number.

It is not a de Polignac number, because 2104012101329 - 2⁴ = 2104012101313 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2104012101298 and 2104012101307.

It is not a weakly prime, because it can be changed into another prime (2104012101929) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1052006050664 + 1052006050665.

It is an arithmetic number, because the mean of its divisors is an integer number (1052006050665).

Almost surely, 2^{2104012101329} is an apocalyptic number.

It is an amenable number.

2104012101329 is a deficient number, since it is larger than the sum of its proper divisors (1).

2104012101329 is an equidigital number, since it uses as much as digits as its factorization.

2104012101329 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 26.

The spelling of 2104012101329 in words is "two trillion, one hundred four billion, twelve million, one hundred one thousand, three hundred twenty-nine".