121011300310303 has 12 divisors (see below), whose sum is σ = 138436669882840. Its totient is φ = 105131989406592.

The previous prime is 121011300310297. The next prime is 121011300310469. The reversal of 121011300310303 is 303013003110121.

It is a de Polignac number, because none of the positive numbers 2^k-121011300310303 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121011300410303) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16104774033 + ... + 16104781546.

Almost surely, 2^{121011300310303} is an apocalyptic number.

121011300310303 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

121011300310303 is a deficient number, since it is larger than the sum of its proper divisors (17425369572537).

121011300310303 is a wasteful number, since it uses less digits than its factorization.

121011300310303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32209555626 (or 32209555609 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 19.

Adding to 121011300310303 its reverse (303013003110121), we get a palindrome (424024303420424).

The spelling of 121011300310303 in words is "one hundred twenty-one trillion, eleven billion, three hundred million, three hundred ten thousand, three hundred three".