1100011222111 has 2 divisors, whose sum is σ = 1100011222112. Its totient is φ = 1100011222110.

The previous prime is 1100011222091. The next prime is 1100011222151. The reversal of 1100011222111 is 1112221100011.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1100011222111 - 2³¹ = 1097863738463 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 = 1100011222091 and 1100011222100.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1100011222151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 550005611055 + 550005611056.

It is an arithmetic number, because the mean of its divisors is an integer number (550005611056).

Almost surely, 2^{1100011222111} is an apocalyptic number.

1100011222111 is a deficient number, since it is larger than the sum of its proper divisors (1).

1100011222111 is an equidigital number, since it uses as much as digits as its factorization.

1100011222111 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 1100011222111 its reverse (1112221100011), we get a palindrome (2212232322122).

The spelling of 1100011222111 in words is "one trillion, one hundred billion, eleven million, two hundred twenty-two thousand, one hundred eleven".