212330101 has 2 divisors, whose sum is σ = 212330102. Its totient is φ = 212330100.

The previous prime is 212330033. The next prime is 212330113. The reversal of 212330101 is 101033212.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 178863876 + 33466225 = 13374^2 + 5785^2 .

It is a cyclic number.

It is not a de Polignac number, because 212330101 - 2²⁵ = 178775669 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (212330201) 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 as a sum of consecutive naturals, namely, 106165050 + 106165051.

It is an arithmetic number, because the mean of its divisors is an integer number (106165051).

Almost surely, 2^212330101 is an apocalyptic number.

It is an amenable number.

212330101 is a deficient number, since it is larger than the sum of its proper divisors (1).

212330101 is an equidigital number, since it uses as much as digits as its factorization.

212330101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 212330101 is about 14571.5510842189. The cubic root of 212330101 is about 596.5825170106.

Adding to 212330101 its reverse (101033212), we get a palindrome (313363313).

The spelling of 212330101 in words is "two hundred twelve million, three hundred thirty thousand, one hundred one".