321221120011103 has 8 divisors (see below), whose sum is σ = 346037835439296. Its totient is φ = 296419747226400.

The previous prime is 321221120011093. The next prime is 321221120011171. The reversal of 321221120011103 is 301110021122123.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-321221120011103 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (321221120017103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3835617383 + ... + 3835701128.

It is an arithmetic number, because the mean of its divisors is an integer number (43254729429912).

Almost surely, 2^{321221120011103} is an apocalyptic number.

321221120011103 is a deficient number, since it is larger than the sum of its proper divisors (24816715428193).

321221120011103 is a wasteful number, since it uses less digits than its factorization.

321221120011103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7671321745.

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 321221120011103 its reverse (301110021122123), we get a palindrome (622331141133226).

The spelling of 321221120011103 in words is "three hundred twenty-one trillion, two hundred twenty-one billion, one hundred twenty million, eleven thousand, one hundred three".