121311301011003 has 12 divisors (see below), whose sum is σ = 175284679993488. Its totient is φ = 80847779812560.

The previous prime is 121311301011001. The next prime is 121311301011059. The reversal of 121311301011003 is 300110103113121.

121311301011003 is a `hidden beast` number, since 121 + 311 + 30 + 101 + 100 + 3 = 666.

It is not a de Polignac number, because 121311301011003 - 2¹ = 121311301011001 is a prime.

It is not an unprimeable number, because it can be changed into a prime (121311301011001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2201709375 + ... + 2201764472.

It is an arithmetic number, because the mean of its divisors is an integer number (14607056666124).

Almost surely, 2^{121311301011003} is an apocalyptic number.

121311301011003 is a deficient number, since it is larger than the sum of its proper divisors (53973378982485).

121311301011003 is a wasteful number, since it uses less digits than its factorization.

121311301011003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4403476914 (or 4403476911 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 18.

Adding to 121311301011003 its reverse (300110103113121), we get a palindrome (421421404124124).

The spelling of 121311301011003 in words is "one hundred twenty-one trillion, three hundred eleven billion, three hundred one million, eleven thousand, three".