11123403122 has 16 divisors (see below), whose sum is σ = 17970869952. Its totient is φ = 5133222480.

The previous prime is 11123403107. The next prime is 11123403133. The reversal of 11123403122 is 22130432111.

It is a junction number, because it is equal to n+sod(n) for n = 11123403094 and 11123403103.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 223547 + ... + 268737.

It is an arithmetic number, because the mean of its divisors is an integer number (1123179372).

Almost surely, 2^11123403122 is an apocalyptic number.

11123403122 is a deficient number, since it is larger than the sum of its proper divisors (6847466830).

11123403122 is a wasteful number, since it uses less digits than its factorization.

11123403122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54673.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 11123403122 its reverse (22130432111), we get a palindrome (33253835233).

The spelling of 11123403122 in words is "eleven billion, one hundred twenty-three million, four hundred three thousand, one hundred twenty-two".