2113210132217 has 2 divisors, whose sum is σ = 2113210132218. Its totient is φ = 2113210132216.

The previous prime is 2113210132193. The next prime is 2113210132259. The reversal of 2113210132217 is 7122310123112.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1747422253801 + 365787878416 = 1321901^2 + 604804^2 .

It is a cyclic number.

It is not a de Polignac number, because 2113210132217 - 2²⁶ = 2113143023353 is a prime.

It is not a weakly prime, because it can be changed into another prime (2113210132277) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1056605066108 + 1056605066109.

It is an arithmetic number, because the mean of its divisors is an integer number (1056605066109).

Almost surely, 2^{2113210132217} is an apocalyptic number.

It is an amenable number.

2113210132217 is a deficient number, since it is larger than the sum of its proper divisors (1).

2113210132217 is an equidigital number, since it uses as much as digits as its factorization.

2113210132217 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1008, while the sum is 26.

Adding to 2113210132217 its reverse (7122310123112), we get a palindrome (9235520255329).

The spelling of 2113210132217 in words is "two trillion, one hundred thirteen billion, two hundred ten million, one hundred thirty-two thousand, two hundred seventeen".