352210121 has 2 divisors, whose sum is σ = 352210122. Its totient is φ = 352210120.

The previous prime is 352210093. The next prime is 352210153. The reversal of 352210121 is 121012253.

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., 209670400 + 142539721 = 14480^2 + 11939^2 .

It is a cyclic number.

It is not a de Polignac number, because 352210121 - 2²² = 348015817 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 352210121.

It is not a weakly prime, because it can be changed into another prime (352210171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 176105060 + 176105061.

It is an arithmetic number, because the mean of its divisors is an integer number (176105061).

Almost surely, 2^352210121 is an apocalyptic number.

It is an amenable number.

352210121 is a deficient number, since it is larger than the sum of its proper divisors (1).

352210121 is an equidigital number, since it uses as much as digits as its factorization.

352210121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 352210121 is about 18767.2619473380. The cubic root of 352210121 is about 706.2101316049.

Adding to 352210121 its reverse (121012253), we get a palindrome (473222374).

The spelling of 352210121 in words is "three hundred fifty-two million, two hundred ten thousand, one hundred twenty-one".