1111101210091 has 2 divisors, whose sum is σ = 1111101210092. Its totient is φ = 1111101210090.

The previous prime is 1111101210017. The next prime is 1111101210097. The reversal of 1111101210091 is 1900121011111.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1111101210091 - 2⁷ = 1111101209963 is a prime.

It is not a weakly prime, because it can be changed into another prime (1111101210097) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 555550605045 + 555550605046.

It is an arithmetic number, because the mean of its divisors is an integer number (555550605046).

Almost surely, 2^{1111101210091} is an apocalyptic number.

1111101210091 is a deficient number, since it is larger than the sum of its proper divisors (1).

1111101210091 is an equidigital number, since it uses as much as digits as its factorization.

1111101210091 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 1111101210091 in words is "one trillion, one hundred eleven billion, one hundred one million, two hundred ten thousand, ninety-one".