121000100303 has 8 divisors (see below), whose sum is σ = 131097236688. Its totient is φ = 111234017664.

The previous prime is 121000100257. The next prime is 121000100357. The reversal of 121000100303 is 303001000121.

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 121000100303 - 2²⁸ = 120731664847 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 (121000100393) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 82762676 + ... + 82764137.

It is an arithmetic number, because the mean of its divisors is an integer number (16387154586).

Almost surely, 2^121000100303 is an apocalyptic number.

121000100303 is a deficient number, since it is larger than the sum of its proper divisors (10097136385).

121000100303 is a wasteful number, since it uses less digits than its factorization.

121000100303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165526873.

The product of its (nonzero) digits is 18, while the sum is 11.

Adding to 121000100303 its reverse (303001000121), we get a palindrome (424001100424).

The spelling of 121000100303 in words is "one hundred twenty-one billion, one hundred thousand, three hundred three".