210230056221 has 16 divisors (see below), whose sum is σ = 295333748736. Its totient is φ = 132758190576.

The previous prime is 210230056213. The next prime is 210230056241. The reversal of 210230056221 is 122650032012.

It is not a de Polignac number, because 210230056221 - 2³ = 210230056213 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 210230056191 and 210230056200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210230056241) 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 15 ways as a sum of consecutive naturals, for example, 14783245 + ... + 14797458.

It is an arithmetic number, because the mean of its divisors is an integer number (18458359296).

Almost surely, 2^210230056221 is an apocalyptic number.

It is an amenable number.

210230056221 is a deficient number, since it is larger than the sum of its proper divisors (85103692515).

210230056221 is a wasteful number, since it uses less digits than its factorization.

210230056221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29580832.

The product of its (nonzero) digits is 1440, while the sum is 24.

Adding to 210230056221 its reverse (122650032012), we get a palindrome (332880088233).

The spelling of 210230056221 in words is "two hundred ten billion, two hundred thirty million, fifty-six thousand, two hundred twenty-one".