210211234321 has 8 divisors (see below), whose sum is σ = 229446612288. Its totient is φ = 190996734000.

The previous prime is 210211234243. The next prime is 210211234327. The reversal of 210211234321 is 123432112012.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-210211234321 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 210211234292 and 210211234301.

It is not an unprimeable number, because it can be changed into a prime (210211234327) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5198350 + ... + 5238631.

It is an arithmetic number, because the mean of its divisors is an integer number (28680826536).

Almost surely, 2^210211234321 is an apocalyptic number.

It is an amenable number.

210211234321 is a deficient number, since it is larger than the sum of its proper divisors (19235377967).

210211234321 is a wasteful number, since it uses less digits than its factorization.

210211234321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10438823.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 210211234321 its reverse (123432112012), we get a palindrome (333643346333).

The spelling of 210211234321 in words is "two hundred ten billion, two hundred eleven million, two hundred thirty-four thousand, three hundred twenty-one".