1100211122111 has 2 divisors, whose sum is σ = 1100211122112. Its totient is φ = 1100211122110.

The previous prime is 1100211122099. The next prime is 1100211122161. The reversal of 1100211122111 is 1112211120011.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1100211122111 - 2¹⁴ = 1100211105727 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1100211122161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 550105561055 + 550105561056.

It is an arithmetic number, because the mean of its divisors is an integer number (550105561056).

Almost surely, 2^{1100211122111} is an apocalyptic number.

1100211122111 is a deficient number, since it is larger than the sum of its proper divisors (1).

1100211122111 is an equidigital number, since it uses as much as digits as its factorization.

1100211122111 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 14.

Adding to 1100211122111 its reverse (1112211120011), we get a palindrome (2212422242122).

The spelling of 1100211122111 in words is "one trillion, one hundred billion, two hundred eleven million, one hundred twenty-two thousand, one hundred eleven".