1111111112099 has 2 divisors, whose sum is σ = 1111111112100. Its totient is φ = 1111111112098.

The previous prime is 1111111112087. The next prime is 1111111112141. The reversal of 1111111112099 is 9902111111111.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1111111112099 - 2³² = 1106816144803 is a prime.

It is not a weakly prime, because it can be changed into another prime (1111111112299) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 555555556049 + 555555556050.

It is an arithmetic number, because the mean of its divisors is an integer number (555555556050).

Almost surely, 2^{1111111112099} is an apocalyptic number.

1111111112099 is a deficient number, since it is larger than the sum of its proper divisors (1).

1111111112099 is an equidigital number, since it uses as much as digits as its factorization.

1111111112099 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 162, while the sum is 29.

The spelling of 1111111112099 in words is "one trillion, one hundred eleven billion, one hundred eleven million, one hundred twelve thousand, ninety-nine".