11123122104 has 48 divisors (see below), whose sum is σ = 30618988920. Its totient is φ = 3646923840.

The previous prime is 11123122039. The next prime is 11123122141. The reversal of 11123122104 is 40122132111.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1261902 + ... + 1270685.

Almost surely, 2^11123122104 is an apocalyptic number.

It is an amenable number.

11123122104 is an abundant number, since it is smaller than the sum of its proper divisors (19495866816).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11123122104 is a wasteful number, since it uses less digits than its factorization.

11123122104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2532660 (or 2532653 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 11123122104 its reverse (40122132111), we get a palindrome (51245254215).

The spelling of 11123122104 in words is "eleven billion, one hundred twenty-three million, one hundred twenty-two thousand, one hundred four".