210230012221 has 16 divisors (see below), whose sum is σ = 211977570240. Its totient is φ = 208492036480.

The previous prime is 210230012189. The next prime is 210230012233. The reversal of 210230012221 is 122210032012.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 210230012221 - 2⁵ = 210230012189 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 210230012195 and 210230012204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210230012921) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 58509201 + ... + 58512793.

It is an arithmetic number, because the mean of its divisors is an integer number (13248598140).

Almost surely, 2^210230012221 is an apocalyptic number.

It is an amenable number.

210230012221 is a deficient number, since it is larger than the sum of its proper divisors (1747558019).

210230012221 is a wasteful number, since it uses less digits than its factorization.

210230012221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4796.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 210230012221 its reverse (122210032012), we get a palindrome (332440044233).

The spelling of 210230012221 in words is "two hundred ten billion, two hundred thirty million, twelve thousand, two hundred twenty-one".