321140121105 has 8 divisors (see below), whose sum is σ = 513824193792. Its totient is φ = 171274731248.

The previous prime is 321140121083. The next prime is 321140121139. The reversal of 321140121105 is 501121041123.

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 321140121105 - 2⁵ = 321140121073 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10704670689 + ... + 10704670718.

It is an arithmetic number, because the mean of its divisors is an integer number (64228024224).

Almost surely, 2^321140121105 is an apocalyptic number.

It is an amenable number.

321140121105 is a deficient number, since it is larger than the sum of its proper divisors (192684072687).

321140121105 is a wasteful number, since it uses less digits than its factorization.

321140121105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21409341415.

The product of its (nonzero) digits is 240, while the sum is 21.

Adding to 321140121105 its reverse (501121041123), we get a palindrome (822261162228).

The spelling of 321140121105 in words is "three hundred twenty-one billion, one hundred forty million, one hundred twenty-one thousand, one hundred five".