111112303211111 has 2 divisors, whose sum is σ = 111112303211112. Its totient is φ = 111112303211110.

The previous prime is 111112303211059. The next prime is 111112303211183.

111112303211111 is nontrivially palindromic in base 10.

It is a weak prime.

It is a palprime.

It is a cyclic number.

It is not a de Polignac number, because 111112303211111 - 2¹⁰ = 111112303210087 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111112303211311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55556151605555 + 55556151605556.

It is an arithmetic number, because the mean of its divisors is an integer number (55556151605556).

Almost surely, 2^{111112303211111} is an apocalyptic number.

111112303211111 is a deficient number, since it is larger than the sum of its proper divisors (1).

111112303211111 is an equidigital number, since it uses as much as digits as its factorization.

111112303211111 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 20.

It can be divided in two parts, 11111230 and 3211111, that added together give a palindrome (14322341).

The spelling of 111112303211111 in words is "one hundred eleven trillion, one hundred twelve billion, three hundred three million, two hundred eleven thousand, one hundred eleven".