1112200111111 has 2 divisors, whose sum is σ = 1112200111112. Its totient is φ = 1112200111110.

The previous prime is 1112200111081. The next prime is 1112200111151. The reversal of 1112200111111 is 1111110022111.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1112200111111 is a prime.

It is a zygodrome in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 1112200111091 and 1112200111100.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1112200111151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 556100055555 + 556100055556.

It is an arithmetic number, because the mean of its divisors is an integer number (556100055556).

Almost surely, 2^{1112200111111} is an apocalyptic number.

1112200111111 is a deficient number, since it is larger than the sum of its proper divisors (1).

1112200111111 is an equidigital number, since it uses as much as digits as its factorization.

1112200111111 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4, while the sum is 13.

Adding to 1112200111111 its reverse (1111110022111), we get a palindrome (2223310133222).

The spelling of 1112200111111 in words is "one trillion, one hundred twelve billion, two hundred million, one hundred eleven thousand, one hundred eleven".