11123012122 has 8 divisors (see below), whose sum is σ = 16697526336. Its totient is φ = 5557170012.

The previous prime is 11123012119. The next prime is 11123012123. The reversal of 11123012122 is 22121032111.

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

It is a junction number, because it is equal to n+sod(n) for n = 11123012096 and 11123012105.

It is not an unprimeable number, because it can be changed into a prime (11123012123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2164818 + ... + 2169949.

It is an arithmetic number, because the mean of its divisors is an integer number (2087190792).

Almost surely, 2^11123012122 is an apocalyptic number.

11123012122 is a deficient number, since it is larger than the sum of its proper divisors (5574514214).

11123012122 is a wasteful number, since it uses less digits than its factorization.

11123012122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4336052.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 11123012122 its reverse (22121032111), we get a palindrome (33244044233).

The spelling of 11123012122 in words is "eleven billion, one hundred twenty-three million, twelve thousand, one hundred twenty-two".