121320331333 has 4 divisors (see below), whose sum is σ = 121323430080. Its totient is φ = 121317232588.

The previous prime is 121320331303. The next prime is 121320331357. The reversal of 121320331333 is 333133023121.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 121320331333 - 2⁹ = 121320330821 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 121320331298 and 121320331307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121320331303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1489885 + ... + 1569202.

It is an arithmetic number, because the mean of its divisors is an integer number (30330857520).

Almost surely, 2^121320331333 is an apocalyptic number.

It is an amenable number.

121320331333 is a deficient number, since it is larger than the sum of its proper divisors (3098747).

121320331333 is an equidigital number, since it uses as much as digits as its factorization.

121320331333 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3098746.

The product of its (nonzero) digits is 2916, while the sum is 25.

Adding to 121320331333 its reverse (333133023121), we get a palindrome (454453354454).

The spelling of 121320331333 in words is "one hundred twenty-one billion, three hundred twenty million, three hundred thirty-one thousand, three hundred thirty-three".