321110001103 has 4 divisors (see below), whose sum is σ = 321121798848. Its totient is φ = 321098203360.

The previous prime is 321110001089. The next prime is 321110001137. The reversal of 321110001103 is 301100011123.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 321110001103 - 2⁵ = 321110001071 is a prime.

It is a super-2 number, since 2×321110001103² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (321110001143) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5857951 + ... + 5912512.

It is an arithmetic number, because the mean of its divisors is an integer number (80280449712).

Almost surely, 2^321110001103 is an apocalyptic number.

321110001103 is a deficient number, since it is larger than the sum of its proper divisors (11797745).

321110001103 is a wasteful number, since it uses less digits than its factorization.

321110001103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11797744.

The product of its (nonzero) digits is 18, while the sum is 13.

Adding to 321110001103 its reverse (301100011123), we get a palindrome (622210012226).

The spelling of 321110001103 in words is "three hundred twenty-one billion, one hundred ten million, one thousand, one hundred three".