211112002102217 has 2 divisors, whose sum is σ = 211112002102218. Its totient is φ = 211112002102216.

The previous prime is 211112002102189. The next prime is 211112002102259. The reversal of 211112002102217 is 712201200211112.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 118513356595456 + 92598645506761 = 10886384^2 + 9622819^2 .

It is a cyclic number.

It is not a de Polignac number, because 211112002102217 - 2²⁴ = 211111985325001 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 211112002102192 and 211112002102201.

It is not a weakly prime, because it can be changed into another prime (211112002105217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105556001051108 + 105556001051109.

It is an arithmetic number, because the mean of its divisors is an integer number (105556001051109).

Almost surely, 2^{211112002102217} is an apocalyptic number.

It is an amenable number.

211112002102217 is a deficient number, since it is larger than the sum of its proper divisors (1).

211112002102217 is an equidigital number, since it uses as much as digits as its factorization.

211112002102217 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 224, while the sum is 23.

Adding to 211112002102217 its reverse (712201200211112), we get a palindrome (923313202313329).

The spelling of 211112002102217 in words is "two hundred eleven trillion, one hundred twelve billion, two million, one hundred two thousand, two hundred seventeen".