111011010101099 has 2 divisors, whose sum is σ = 111011010101100. Its totient is φ = 111011010101098.

The previous prime is 111011010101003. The next prime is 111011010101129. The reversal of 111011010101099 is 990101010110111.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 111011010101099 - 2²⁰ = 111011009052523 is a prime.

It is not a weakly prime, because it can be changed into another prime (111011010101599) 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, 55505505050549 + 55505505050550.

It is an arithmetic number, because the mean of its divisors is an integer number (55505505050550).

Almost surely, 2^{111011010101099} is an apocalyptic number.

111011010101099 is a deficient number, since it is larger than the sum of its proper divisors (1).

111011010101099 is an equidigital number, since it uses as much as digits as its factorization.

111011010101099 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 81, while the sum is 26.

The spelling of 111011010101099 in words is "one hundred eleven trillion, eleven billion, ten million, one hundred one thousand, ninety-nine".