321121334243 has 8 divisors (see below), whose sum is σ = 338537599008. Its totient is φ = 303992941824.

The previous prime is 321121334201. The next prime is 321121334249. The reversal of 321121334243 is 342433121123.

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 321121334243 - 2⁸ = 321121333987 is a prime.

It is a super-2 number, since 2×321121334243² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (321121334249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71965796 + ... + 71970257.

It is an arithmetic number, because the mean of its divisors is an integer number (42317199876).

Almost surely, 2^321121334243 is an apocalyptic number.

321121334243 is a deficient number, since it is larger than the sum of its proper divisors (17416264765).

321121334243 is a wasteful number, since it uses less digits than its factorization.

321121334243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143936173.

The product of its digits is 10368, while the sum is 29.

Adding to 321121334243 its reverse (342433121123), we get a palindrome (663554455366).

The spelling of 321121334243 in words is "three hundred twenty-one billion, one hundred twenty-one million, three hundred thirty-four thousand, two hundred forty-three".