121103123303 has 8 divisors (see below), whose sum is σ = 122833708416. Its totient is φ = 119373230200.

The previous prime is 121103123293. The next prime is 121103123311. The reversal of 121103123303 is 303321301121.

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 121103123303 - 2¹⁶ = 121103057767 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121103123333) 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, 184748 + ... + 525678.

It is an arithmetic number, because the mean of its divisors is an integer number (15354213552).

Almost surely, 2^121103123303 is an apocalyptic number.

121103123303 is a deficient number, since it is larger than the sum of its proper divisors (1730585113).

121103123303 is an equidigital number, since it uses as much as digits as its factorization.

121103123303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 346005.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 121103123303 its reverse (303321301121), we get a palindrome (424424424424).

The spelling of 121103123303 in words is "one hundred twenty-one billion, one hundred three million, one hundred twenty-three thousand, three hundred three".