210232213361 has 2 divisors, whose sum is σ = 210232213362. Its totient is φ = 210232213360.

The previous prime is 210232213351. The next prime is 210232213417. The reversal of 210232213361 is 163312232012.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 145878163600 + 64354049761 = 381940^2 + 253681^2 .

It is a cyclic number.

It is not a de Polignac number, because 210232213361 - 2³⁰ = 209158471537 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 210232213361.

It is not a weakly prime, because it can be changed into another prime (210232213351) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105116106680 + 105116106681.

It is an arithmetic number, because the mean of its divisors is an integer number (105116106681).

Almost surely, 2^210232213361 is an apocalyptic number.

It is an amenable number.

210232213361 is a deficient number, since it is larger than the sum of its proper divisors (1).

210232213361 is an equidigital number, since it uses as much as digits as its factorization.

210232213361 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2592, while the sum is 26.

Adding to 210232213361 its reverse (163312232012), we get a palindrome (373544445373).

The spelling of 210232213361 in words is "two hundred ten billion, two hundred thirty-two million, two hundred thirteen thousand, three hundred sixty-one".