333121221121 has 8 divisors (see below), whose sum is σ = 362444343464. Its totient is φ = 304326443520.

The previous prime is 333121221109. The next prime is 333121221143. The reversal of 333121221121 is 121122121333.

It can be written as a sum of positive squares in 4 ways, for example, as 2684794225 + 330436426896 = 51815^2 + 574836^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 333121221121 - 2⁵ = 333121221089 is a prime.

It is a super-2 number, since 2×333121221121² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 333121221092 and 333121221101.

It is not an unprimeable number, because it can be changed into a prime (333121221101) 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 7 ways as a sum of consecutive naturals, for example, 132084870 + ... + 132087391.

It is an arithmetic number, because the mean of its divisors is an integer number (45305542933).

Almost surely, 2^333121221121 is an apocalyptic number.

It is an amenable number.

333121221121 is a deficient number, since it is larger than the sum of its proper divisors (29323122343).

333121221121 is a wasteful number, since it uses less digits than its factorization.

333121221121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 264172371.

The product of its digits is 432, while the sum is 22.

Adding to 333121221121 its reverse (121122121333), we get a palindrome (454243342454).

The spelling of 333121221121 in words is "three hundred thirty-three billion, one hundred twenty-one million, two hundred twenty-one thousand, one hundred twenty-one".