11122212117 has 8 divisors (see below), whose sum is σ = 15145140096. Its totient is φ = 7257046112.

The previous prime is 11122212109. The next prime is 11122212119. The reversal of 11122212117 is 71121222111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11122212117 - 2³ = 11122212109 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11122212093 and 11122212102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11122212119) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39440328 + ... + 39440609.

It is an arithmetic number, because the mean of its divisors is an integer number (1893142512).

Almost surely, 2^11122212117 is an apocalyptic number.

It is an amenable number.

11122212117 is a deficient number, since it is larger than the sum of its proper divisors (4022927979).

11122212117 is an equidigital number, since it uses as much as digits as its factorization.

11122212117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78880987.

The product of its digits is 112, while the sum is 21.

Adding to 11122212117 its reverse (71121222111), we get a palindrome (82243434228).

The spelling of 11122212117 in words is "eleven billion, one hundred twenty-two million, two hundred twelve thousand, one hundred seventeen".