1121011123109 has 2 divisors, whose sum is σ = 1121011123110. Its totient is φ = 1121011123108.

The previous prime is 1121011123103. The next prime is 1121011123157. The reversal of 1121011123109 is 9013211101211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1009528591009 + 111482532100 = 1004753^2 + 333890^2 .

It is a cyclic number.

It is not a de Polignac number, because 1121011123109 - 2⁸ = 1121011122853 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1121011123103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 560505561554 + 560505561555.

It is an arithmetic number, because the mean of its divisors is an integer number (560505561555).

Almost surely, 2^{1121011123109} is an apocalyptic number.

It is an amenable number.

1121011123109 is a deficient number, since it is larger than the sum of its proper divisors (1).

1121011123109 is an equidigital number, since it uses as much as digits as its factorization.

1121011123109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108, while the sum is 23.

The spelling of 1121011123109 in words is "one trillion, one hundred twenty-one billion, eleven million, one hundred twenty-three thousand, one hundred nine".