2104100323217 has 2 divisors, whose sum is σ = 2104100323218. Its totient is φ = 2104100323216.

The previous prime is 2104100323139. The next prime is 2104100323223. The reversal of 2104100323217 is 7123230014012.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1898688329041 + 205411994176 = 1377929^2 + 453224^2 .

It is a cyclic number.

It is not a de Polignac number, because 2104100323217 - 2²² = 2104096128913 is a prime.

It is not a weakly prime, because it can be changed into another prime (2104100323517) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1052050161608 + 1052050161609.

It is an arithmetic number, because the mean of its divisors is an integer number (1052050161609).

Almost surely, 2^{2104100323217} is an apocalyptic number.

It is an amenable number.

2104100323217 is a deficient number, since it is larger than the sum of its proper divisors (1).

2104100323217 is an equidigital number, since it uses as much as digits as its factorization.

2104100323217 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2016, while the sum is 26.

Adding to 2104100323217 its reverse (7123230014012), we get a palindrome (9227330337229).

The spelling of 2104100323217 in words is "two trillion, one hundred four billion, one hundred million, three hundred twenty-three thousand, two hundred seventeen".