212111123103301 has 2 divisors, whose sum is σ = 212111123103302. Its totient is φ = 212111123103300.

The previous prime is 212111123103289. The next prime is 212111123103343. The reversal of 212111123103301 is 103301321111212.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 200251536852676 + 11859586250625 = 14151026^2 + 3443775^2 .

It is a cyclic number.

It is not a de Polignac number, because 212111123103301 - 2⁹ = 212111123102789 is a prime.

It is a super-2 number, since 2×212111123103301² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (212111123103101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106055561551650 + 106055561551651.

It is an arithmetic number, because the mean of its divisors is an integer number (106055561551651).

Almost surely, 2^{212111123103301} is an apocalyptic number.

It is an amenable number.

212111123103301 is a deficient number, since it is larger than the sum of its proper divisors (1).

212111123103301 is an equidigital number, since it uses as much as digits as its factorization.

212111123103301 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 22.

Adding to 212111123103301 its reverse (103301321111212), we get a palindrome (315412444214513).

The spelling of 212111123103301 in words is "two hundred twelve trillion, one hundred eleven billion, one hundred twenty-three million, one hundred three thousand, three hundred one".