11222122220117 has 2 divisors, whose sum is σ = 11222122220118. Its totient is φ = 11222122220116.

The previous prime is 11222122220107. The next prime is 11222122220123. The reversal of 11222122220117 is 71102222122211.

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., 11009747792836 + 212374427281 = 3318094^2 + 460841^2 .

It is a cyclic number.

It is not a de Polignac number, because 11222122220117 - 2²⁴ = 11222105442901 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11222122220107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5611061110058 + 5611061110059.

It is an arithmetic number, because the mean of its divisors is an integer number (5611061110059).

Almost surely, 2^{11222122220117} is an apocalyptic number.

It is an amenable number.

11222122220117 is a deficient number, since it is larger than the sum of its proper divisors (1).

11222122220117 is an equidigital number, since it uses as much as digits as its factorization.

11222122220117 is an odious number, because the sum of its binary digits is odd.

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

Adding to 11222122220117 its reverse (71102222122211), we get a palindrome (82324344342328).

The spelling of 11222122220117 in words is "eleven trillion, two hundred twenty-two billion, one hundred twenty-two million, two hundred twenty thousand, one hundred seventeen".