121320203310311 has 8 divisors (see below), whose sum is σ = 121417706810400. Its totient is φ = 121222737544320.

The previous prime is 121320203310239. The next prime is 121320203310323. The reversal of 121320203310311 is 113013302023121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-121320203310311 is a prime.

It is a super-3 number, since 3×121320203310311³ (a number of 43 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121320203310811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2998910 + ... + 15862971.

It is an arithmetic number, because the mean of its divisors is an integer number (15177213351300).

Almost surely, 2^{121320203310311} is an apocalyptic number.

121320203310311 is a deficient number, since it is larger than the sum of its proper divisors (97503500089).

121320203310311 is a wasteful number, since it uses less digits than its factorization.

121320203310311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18867049.

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 121320203310311 its reverse (113013302023121), we get a palindrome (234333505333432).

The spelling of 121320203310311 in words is "one hundred twenty-one trillion, three hundred twenty billion, two hundred three million, three hundred ten thousand, three hundred eleven".