321120200002223 has 4 divisors (see below), whose sum is σ = 321149831848440. Its totient is φ = 321090568156008.

The previous prime is 321120200002181. The next prime is 321120200002387. The reversal of 321120200002223 is 322200002021123.

It is a happy number.

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 321120200002223 - 2¹⁰ = 321120200001199 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 321120200002195 and 321120200002204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (321120200002523) 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, 14815906853 + ... + 14815928526.

It is an arithmetic number, because the mean of its divisors is an integer number (80287457962110).

Almost surely, 2^{321120200002223} is an apocalyptic number.

321120200002223 is a deficient number, since it is larger than the sum of its proper divisors (29631846217).

321120200002223 is a wasteful number, since it uses less digits than its factorization.

321120200002223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29631846216.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 321120200002223 its reverse (322200002021123), we get a palindrome (643320202023346).

The spelling of 321120200002223 in words is "three hundred twenty-one trillion, one hundred twenty billion, two hundred million, two thousand, two hundred twenty-three".