11220212222117 has 2 divisors, whose sum is σ = 11220212222118. Its totient is φ = 11220212222116.

The previous prime is 11220212222111. The next prime is 11220212222159. The reversal of 11220212222117 is 71122221202211.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10489527472516 + 730684749601 = 3238754^2 + 854801^2 .

It is a cyclic number.

It is not a de Polignac number, because 11220212222117 - 2⁸ = 11220212221861 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11220212222111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5610106111058 + 5610106111059.

It is an arithmetic number, because the mean of its divisors is an integer number (5610106111059).

Almost surely, 2^{11220212222117} is an apocalyptic number.

It is an amenable number.

11220212222117 is a deficient number, since it is larger than the sum of its proper divisors (1).

11220212222117 is an equidigital number, since it uses as much as digits as its factorization.

11220212222117 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 896, while the sum is 26.

Adding to 11220212222117 its reverse (71122221202211), we get a palindrome (82342433424328).

The spelling of 11220212222117 in words is "eleven trillion, two hundred twenty billion, two hundred twelve million, two hundred twenty-two thousand, one hundred seventeen".