111000001109999 has 2 divisors, whose sum is σ = 111000001110000. Its totient is φ = 111000001109998.

The previous prime is 111000001109989. The next prime is 111000001110013. The reversal of 111000001109999 is 999901100000111.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-111000001109999 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111000001109989) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55500000554999 + 55500000555000.

It is an arithmetic number, because the mean of its divisors is an integer number (55500000555000).

Almost surely, 2^{111000001109999} is an apocalyptic number.

111000001109999 is a deficient number, since it is larger than the sum of its proper divisors (1).

111000001109999 is an equidigital number, since it uses as much as digits as its factorization.

111000001109999 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6561, while the sum is 41.

The spelling of 111000001109999 in words is "one hundred eleven trillion, one million, one hundred nine thousand, nine hundred ninety-nine".