1232200232111 has 2 divisors, whose sum is σ = 1232200232112. Its totient is φ = 1232200232110.

The previous prime is 1232200232089. The next prime is 1232200232113. The reversal of 1232200232111 is 1112320022321.

It is a strong prime.

It is an emirp because it is prime and its reverse (1112320022321) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1232200232111 is a prime.

It is a Sophie Germain prime.

Together with 1232200232113, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1232200232113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 616100116055 + 616100116056.

It is an arithmetic number, because the mean of its divisors is an integer number (616100116056).

Almost surely, 2^{1232200232111} is an apocalyptic number.

1232200232111 is a deficient number, since it is larger than the sum of its proper divisors (1).

1232200232111 is an equidigital number, since it uses as much as digits as its factorization.

1232200232111 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 1232200232111 its reverse (1112320022321), we get a palindrome (2344520254432).

The spelling of 1232200232111 in words is "one trillion, two hundred thirty-two billion, two hundred million, two hundred thirty-two thousand, one hundred eleven".