121301012103303 has 4 divisors (see below), whose sum is σ = 161734682804408. Its totient is φ = 80867341402200.

The previous prime is 121301012103289. The next prime is 121301012103319. The reversal of 121301012103303 is 303301210103121.

It is a happy number.

121301012103303 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 121301012103303 - 2²⁸ = 121300743667847 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 121301012103303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121301012101303) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20216835350548 + ... + 20216835350553.

It is an arithmetic number, because the mean of its divisors is an integer number (40433670701102).

Almost surely, 2^{121301012103303} is an apocalyptic number.

121301012103303 is a deficient number, since it is larger than the sum of its proper divisors (40433670701105).

121301012103303 is an equidigital number, since it uses as much as digits as its factorization.

121301012103303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40433670701104.

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 121301012103303 its reverse (303301210103121), we get a palindrome (424602222206424).

The spelling of 121301012103303 in words is "one hundred twenty-one trillion, three hundred one billion, twelve million, one hundred three thousand, three hundred three".