321202222202123 has 4 divisors (see below), whose sum is σ = 321202614213720. Its totient is φ = 321201830190528.

The previous prime is 321202222202039. The next prime is 321202222202153.

321202222202123 is nontrivially palindromic in base 10.

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 321202222202123 - 2⁴⁸ = 39727245491467 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 321202222202092 and 321202222202101.

It is not an unprimeable number, because it can be changed into a prime (321202222202153) 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 3 ways as a sum of consecutive naturals, for example, 194774165 + ... + 196416342.

It is an arithmetic number, because the mean of its divisors is an integer number (80300653553430).

Almost surely, 2^{321202222202123} is an apocalyptic number.

321202222202123 is a deficient number, since it is larger than the sum of its proper divisors (392011597).

321202222202123 is an equidigital number, since it uses as much as digits as its factorization.

321202222202123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 392011596.

The product of its (nonzero) digits is 4608, while the sum is 26.

The spelling of 321202222202123 in words is "three hundred twenty-one trillion, two hundred two billion, two hundred twenty-two million, two hundred two thousand, one hundred twenty-three".