210302233030221 has 32 divisors (see below), whose sum is σ = 297765785116800. Its totient is φ = 131568380891136.

The previous prime is 210302233030193. The next prime is 210302233030231. The reversal of 210302233030221 is 122030332203012.

It is not a de Polignac number, because 210302233030221 - 2¹⁷ = 210302232899149 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 210302233030191 and 210302233030200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210302233030231) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 304676730 + ... + 305366196.

It is an arithmetic number, because the mean of its divisors is an integer number (9305180784900).

Almost surely, 2^{210302233030221} is an apocalyptic number.

It is an amenable number.

210302233030221 is a deficient number, since it is larger than the sum of its proper divisors (87463552086579).

210302233030221 is a wasteful number, since it uses less digits than its factorization.

210302233030221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 706973.

The product of its (nonzero) digits is 2592, while the sum is 24.

Adding to 210302233030221 its reverse (122030332203012), we get a palindrome (332332565233233).

The spelling of 210302233030221 in words is "two hundred ten trillion, three hundred two billion, two hundred thirty-three million, thirty thousand, two hundred twenty-one".