1110011212109 has 2 divisors, whose sum is σ = 1110011212110. Its totient is φ = 1110011212108.

The previous prime is 1110011212091. The next prime is 1110011212153. The reversal of 1110011212109 is 9012121100111.

Together with previous prime (1110011212091) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1104748144900 + 5263067209 = 1051070^2 + 72547^2 .

It is a cyclic number.

It is not a de Polignac number, because 1110011212109 - 2³⁶ = 1041291735373 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1110011215109) 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, 555005606054 + 555005606055.

It is an arithmetic number, because the mean of its divisors is an integer number (555005606055).

Almost surely, 2^{1110011212109} is an apocalyptic number.

It is an amenable number.

1110011212109 is a deficient number, since it is larger than the sum of its proper divisors (1).

1110011212109 is an equidigital number, since it uses as much as digits as its factorization.

1110011212109 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.

The spelling of 1110011212109 in words is "one trillion, one hundred ten billion, eleven million, two hundred twelve thousand, one hundred nine".