321204324111 has 12 divisors (see below), whose sum is σ = 470745731736. Its totient is φ = 194669287120.

The previous prime is 321204324083. The next prime is 321204324121. The reversal of 321204324111 is 111423402123.

It is not a de Polignac number, because 321204324111 - 2⁶ = 321204324047 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (321204324121) 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 11 ways as a sum of consecutive naturals, for example, 442429836 + ... + 442430561.

It is an arithmetic number, because the mean of its divisors is an integer number (39228810978).

Almost surely, 2^321204324111 is an apocalyptic number.

321204324111 is a deficient number, since it is larger than the sum of its proper divisors (149541407625).

321204324111 is a wasteful number, since it uses less digits than its factorization.

321204324111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 884860422 (or 884860411 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 321204324111 its reverse (111423402123), we get a palindrome (432627726234).

The spelling of 321204324111 in words is "three hundred twenty-one billion, two hundred four million, three hundred twenty-four thousand, one hundred eleven".