121002313111303 has 4 divisors (see below), whose sum is σ = 130310183350648. Its totient is φ = 111694442871960.

The previous prime is 121002313111261. The next prime is 121002313111319. The reversal of 121002313111303 is 303111313200121.

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

It is not a de Polignac number, because 121002313111303 - 2⁴¹ = 118803289855751 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 (121002313115303) 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, 4653935119653 + ... + 4653935119678.

It is an arithmetic number, because the mean of its divisors is an integer number (32577545837662).

Almost surely, 2^{121002313111303} is an apocalyptic number.

121002313111303 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

121002313111303 is a deficient number, since it is larger than the sum of its proper divisors (9307870239345).

121002313111303 is an equidigital number, since it uses as much as digits as its factorization.

121002313111303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9307870239344.

The product of its (nonzero) digits is 324, while the sum is 22.

Adding to 121002313111303 its reverse (303111313200121), we get a palindrome (424113626311424).

The spelling of 121002313111303 in words is "one hundred twenty-one trillion, two billion, three hundred thirteen million, one hundred eleven thousand, three hundred three".