121230003103 has 4 divisors (see below), whose sum is σ = 132250912488. Its totient is φ = 110209093720.

The previous prime is 121230003061. The next prime is 121230003121. The reversal of 121230003103 is 301300032121.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 301300032121 = 11 ⋅27390912011.

It is not a de Polignac number, because 121230003103 - 2¹³ = 121229994911 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 (121230003803) 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 3 ways as a sum of consecutive naturals, for example, 5510454676 + ... + 5510454697.

It is an arithmetic number, because the mean of its divisors is an integer number (33062728122).

Almost surely, 2^121230003103 is an apocalyptic number.

121230003103 is a deficient number, since it is larger than the sum of its proper divisors (11020909385).

121230003103 is a wasteful number, since it uses less digits than its factorization.

121230003103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11020909384.

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 121230003103 its reverse (301300032121), we get a palindrome (422530035224).

The spelling of 121230003103 in words is "one hundred twenty-one billion, two hundred thirty million, three thousand, one hundred three".