1110121101091 has 2 divisors, whose sum is σ = 1110121101092. Its totient is φ = 1110121101090.

The previous prime is 1110121101073. The next prime is 1110121101203. The reversal of 1110121101091 is 1901011210111.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1110121101091 - 2⁵ = 1110121101059 is a prime.

It is not a weakly prime, because it can be changed into another prime (1110121101031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 555060550545 + 555060550546.

It is an arithmetic number, because the mean of its divisors is an integer number (555060550546).

Almost surely, 2^{1110121101091} is an apocalyptic number.

1110121101091 is a deficient number, since it is larger than the sum of its proper divisors (1).

1110121101091 is an equidigital number, since it uses as much as digits as its factorization.

1110121101091 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18, while the sum is 19.

The spelling of 1110121101091 in words is "one trillion, one hundred ten billion, one hundred twenty-one million, one hundred one thousand, ninety-one".