2113322203217 has 2 divisors, whose sum is σ = 2113322203218. Its totient is φ = 2113322203216.

The previous prime is 2113322203199. The next prime is 2113322203241. The reversal of 2113322203217 is 7123022233112.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1416633170176 + 696689033041 = 1190224^2 + 834679^2 .

It is a cyclic number.

It is not a de Polignac number, because 2113322203217 - 2¹⁶ = 2113322137681 is a prime.

It is a super-2 number, since 2×2113322203217² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2113322203217.

It is not a weakly prime, because it can be changed into another prime (2113322203417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1056661101608 + 1056661101609.

It is an arithmetic number, because the mean of its divisors is an integer number (1056661101609).

Almost surely, 2^{2113322203217} is an apocalyptic number.

It is an amenable number.

2113322203217 is a deficient number, since it is larger than the sum of its proper divisors (1).

2113322203217 is an equidigital number, since it uses as much as digits as its factorization.

2113322203217 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6048, while the sum is 29.

Adding to 2113322203217 its reverse (7123022233112), we get a palindrome (9236344436329).

The spelling of 2113322203217 in words is "two trillion, one hundred thirteen billion, three hundred twenty-two million, two hundred three thousand, two hundred seventeen".