11220112117 has 2 divisors, whose sum is σ = 11220112118. Its totient is φ = 11220112116.

The previous prime is 11220112091. The next prime is 11220112129. The reversal of 11220112117 is 71121102211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5707198116 + 5512914001 = 75546^2 + 74249^2 .

It is a cyclic number.

It is not a de Polignac number, because 11220112117 - 2³¹ = 9072628469 is a prime.

It is a super-3 number, since 3×11220112117³ (a number of 31 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11220112094 and 11220112103.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11220182117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5610056058 + 5610056059.

It is an arithmetic number, because the mean of its divisors is an integer number (5610056059).

Almost surely, 2^11220112117 is an apocalyptic number.

It is an amenable number.

11220112117 is a deficient number, since it is larger than the sum of its proper divisors (1).

11220112117 is an equidigital number, since it uses as much as digits as its factorization.

11220112117 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 56, while the sum is 19.

Adding to 11220112117 its reverse (71121102211), we get a palindrome (82341214328).

The spelling of 11220112117 in words is "eleven billion, two hundred twenty million, one hundred twelve thousand, one hundred seventeen".