321105044201 has 4 divisors (see below), whose sum is σ = 322325976192. Its totient is φ = 319884112212.

The previous prime is 321105044191. The next prime is 321105044209. The reversal of 321105044201 is 102440501123.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 321105044201 - 2¹⁸ = 321104782057 is a prime.

It is a super-2 number, since 2×321105044201² (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 (321105044209) 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, 610465601 + ... + 610466126.

It is an arithmetic number, because the mean of its divisors is an integer number (80581494048).

Almost surely, 2^321105044201 is an apocalyptic number.

It is an amenable number.

321105044201 is a deficient number, since it is larger than the sum of its proper divisors (1220931991).

321105044201 is a wasteful number, since it uses less digits than its factorization.

321105044201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1220931990.

The product of its (nonzero) digits is 960, while the sum is 23.

Adding to 321105044201 its reverse (102440501123), we get a palindrome (423545545324).

The spelling of 321105044201 in words is "three hundred twenty-one billion, one hundred five million, forty-four thousand, two hundred one".