214210204321 has 4 divisors (see below), whose sum is σ = 221120210944. Its totient is φ = 207300197700.

The previous prime is 214210204319. The next prime is 214210204331. The reversal of 214210204321 is 123402012412.

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 214210204321 - 2¹ = 214210204319 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 214210204292 and 214210204301.

It is not an unprimeable number, because it can be changed into a prime (214210204331) 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, 3455003265 + ... + 3455003326.

It is an arithmetic number, because the mean of its divisors is an integer number (55280052736).

Almost surely, 2^214210204321 is an apocalyptic number.

It is an amenable number.

214210204321 is a deficient number, since it is larger than the sum of its proper divisors (6910006623).

214210204321 is an equidigital number, since it uses as much as digits as its factorization.

214210204321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6910006622.

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 214210204321 its reverse (123402012412), we get a palindrome (337612216733).

The spelling of 214210204321 in words is "two hundred fourteen billion, two hundred ten million, two hundred four thousand, three hundred twenty-one".