10101011212217 has 2 divisors, whose sum is σ = 10101011212218. Its totient is φ = 10101011212216.

The previous prime is 10101011212189. The next prime is 10101011212223. The reversal of 10101011212217 is 71221211010101.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8898503777296 + 1202507434921 = 2983036^2 + 1096589^2 .

It is a cyclic number.

It is not a de Polignac number, because 10101011212217 - 2¹⁴ = 10101011195833 is a prime.

It is not a weakly prime, because it can be changed into another prime (10101011212277) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5050505606108 + 5050505606109.

It is an arithmetic number, because the mean of its divisors is an integer number (5050505606109).

Almost surely, 2^{10101011212217} is an apocalyptic number.

It is an amenable number.

10101011212217 is a deficient number, since it is larger than the sum of its proper divisors (1).

10101011212217 is an equidigital number, since it uses as much as digits as its factorization.

10101011212217 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 56, while the sum is 20.

Adding to 10101011212217 its reverse (71221211010101), we get a palindrome (81322222222318).

The spelling of 10101011212217 in words is "ten trillion, one hundred one billion, eleven million, two hundred twelve thousand, two hundred seventeen".