121340021311303 has 8 divisors (see below), whose sum is σ = 126323676924480. Its totient is φ = 116409666828000.

The previous prime is 121340021311297. The next prime is 121340021311447. The reversal of 121340021311303 is 303113120043121.

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 121340021311303 - 2³³ = 121331431376711 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 (121340025311303) 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, 13325277823 + ... + 13325286928.

It is an arithmetic number, because the mean of its divisors is an integer number (15790459615560).

Almost surely, 2^{121340021311303} is an apocalyptic number.

121340021311303 is a deficient number, since it is larger than the sum of its proper divisors (4983655613177).

121340021311303 is a wasteful number, since it uses less digits than its factorization.

121340021311303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26650564937.

The product of its (nonzero) digits is 1296, while the sum is 25.

Adding to 121340021311303 its reverse (303113120043121), we get a palindrome (424453141354424).

The spelling of 121340021311303 in words is "one hundred twenty-one trillion, three hundred forty billion, twenty-one million, three hundred eleven thousand, three hundred three".