331223321121 has 32 divisors (see below), whose sum is σ = 550658995200. Its totient is φ = 172047190080.

The previous prime is 331223321111. The next prime is 331223321173. The reversal of 331223321121 is 121123322133.

It is not a de Polignac number, because 331223321121 - 2¹⁰ = 331223320097 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 331223321091 and 331223321100.

It is not an unprimeable number, because it can be changed into a prime (331223321111) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2492170 + ... + 2621708.

It is an arithmetic number, because the mean of its divisors is an integer number (17208093600).

Almost surely, 2^331223321121 is an apocalyptic number.

It is an amenable number.

331223321121 is a deficient number, since it is larger than the sum of its proper divisors (219435674079).

331223321121 is a wasteful number, since it uses less digits than its factorization.

331223321121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140629.

The product of its digits is 1296, while the sum is 24.

Adding to 331223321121 its reverse (121123322133), we get a palindrome (452346643254).

The spelling of 331223321121 in words is "three hundred thirty-one billion, two hundred twenty-three million, three hundred twenty-one thousand, one hundred twenty-one".