121310330210303 has 16 divisors (see below), whose sum is σ = 131485679025120. Its totient is φ = 111256607268864.

The previous prime is 121310330210281. The next prime is 121310330210341. The reversal of 121310330210303 is 303012033013121.

It is a cyclic number.

It is not a de Polignac number, because 121310330210303 - 2¹⁴ = 121310330193919 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 (121310330210383) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19923926 + ... + 25289987.

It is an arithmetic number, because the mean of its divisors is an integer number (8217854939070).

Almost surely, 2^{121310330210303} is an apocalyptic number.

121310330210303 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

121310330210303 is a deficient number, since it is larger than the sum of its proper divisors (10175348814817).

121310330210303 is a wasteful number, since it uses less digits than its factorization.

121310330210303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45215258.

The product of its (nonzero) digits is 972, while the sum is 23.

Adding to 121310330210303 its reverse (303012033013121), we get a palindrome (424322363223424).

The spelling of 121310330210303 in words is "one hundred twenty-one trillion, three hundred ten billion, three hundred thirty million, two hundred ten thousand, three hundred three".