1131232100111 has 2 divisors, whose sum is σ = 1131232100112. Its totient is φ = 1131232100110.

The previous prime is 1131232100101. The next prime is 1131232100149. The reversal of 1131232100111 is 1110012321311.

It is a weak prime.

It is an emirp because it is prime and its reverse (1110012321311) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1131232100111 is a prime.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1131232100111.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1131232100101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 565616050055 + 565616050056.

It is an arithmetic number, because the mean of its divisors is an integer number (565616050056).

Almost surely, 2^{1131232100111} is an apocalyptic number.

1131232100111 is a deficient number, since it is larger than the sum of its proper divisors (1).

1131232100111 is an equidigital number, since it uses as much as digits as its factorization.

1131232100111 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 17.

Adding to 1131232100111 its reverse (1110012321311), we get a palindrome (2241244421422).

The spelling of 1131232100111 in words is "one trillion, one hundred thirty-one billion, two hundred thirty-two million, one hundred thousand, one hundred eleven".