212330300111 has 2 divisors, whose sum is σ = 212330300112. Its totient is φ = 212330300110.

The previous prime is 212330300093. The next prime is 212330300113. The reversal of 212330300111 is 111003033212.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 212330300111 - 2²² = 212326105807 is a prime.

It is a super-2 number, since 2×212330300111² (a number of 23 digits) contains 22 as substring.

Together with 212330300113, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 212330300111.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (212330300113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106165150055 + 106165150056.

It is an arithmetic number, because the mean of its divisors is an integer number (106165150056).

Almost surely, 2^212330300111 is an apocalyptic number.

212330300111 is a deficient number, since it is larger than the sum of its proper divisors (1).

212330300111 is an equidigital number, since it uses as much as digits as its factorization.

212330300111 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 212330300111 its reverse (111003033212), we get a palindrome (323333333323).

The spelling of 212330300111 in words is "two hundred twelve billion, three hundred thirty million, three hundred thousand, one hundred eleven".