11210112021217 has 2 divisors, whose sum is σ = 11210112021218. Its totient is φ = 11210112021216.

The previous prime is 11210112021191. The next prime is 11210112021287. The reversal of 11210112021217 is 71212021101211.

11210112021217 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8260542781456 + 2949569239761 = 2874116^2 + 1717431^2 .

It is an emirp because it is prime and its reverse (71212021101211) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11210112021217 is a prime.

It is a super-2 number, since 2×11210112021217² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (11210112021287) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5605056010608 + 5605056010609.

It is an arithmetic number, because the mean of its divisors is an integer number (5605056010609).

Almost surely, 2^{11210112021217} is an apocalyptic number.

It is an amenable number.

11210112021217 is a deficient number, since it is larger than the sum of its proper divisors (1).

11210112021217 is an equidigital number, since it uses as much as digits as its factorization.

11210112021217 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 112, while the sum is 22.

Adding to 11210112021217 its reverse (71212021101211), we get a palindrome (82422133122428).

The spelling of 11210112021217 in words is "eleven trillion, two hundred ten billion, one hundred twelve million, twenty-one thousand, two hundred seventeen".