210232321121 has 4 divisors (see below), whose sum is σ = 215121444912. Its totient is φ = 205343197332.

The previous prime is 210232321111. The next prime is 210232321141. The reversal of 210232321121 is 121123232012.

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 210232321121 - 2¹⁸ = 210232058977 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 210232321093 and 210232321102.

It is not an unprimeable number, because it can be changed into a prime (210232321111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2444561831 + ... + 2444561916.

It is an arithmetic number, because the mean of its divisors is an integer number (53780361228).

Almost surely, 2^210232321121 is an apocalyptic number.

It is an amenable number.

210232321121 is a deficient number, since it is larger than the sum of its proper divisors (4889123791).

210232321121 is an equidigital number, since it uses as much as digits as its factorization.

210232321121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4889123790.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 210232321121 its reverse (121123232012), we get a palindrome (331355553133).

The spelling of 210232321121 in words is "two hundred ten billion, two hundred thirty-two million, three hundred twenty-one thousand, one hundred twenty-one".