121103123304 has 32 divisors (see below), whose sum is σ = 303498072000. Its totient is φ = 40269005952.

The previous prime is 121103123293. The next prime is 121103123311. The reversal of 121103123304 is 403321301121.

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, 6158844 + ... + 6178475.

It is an arithmetic number, because the mean of its divisors is an integer number (9484314750).

Almost surely, 2^121103123304 is an apocalyptic number.

It is an amenable number.

121103123304 is an abundant number, since it is smaller than the sum of its proper divisors (182394948696).

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

121103123304 is a wasteful number, since it uses less digits than its factorization.

121103123304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12337737 (or 12337733 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 121103123304 its reverse (403321301121), we get a palindrome (524424424425).

The spelling of 121103123304 in words is "one hundred twenty-one billion, one hundred three million, one hundred twenty-three thousand, three hundred four".