111101011099399 has 2 divisors, whose sum is σ = 111101011099400. Its totient is φ = 111101011099398.

The previous prime is 111101011099369. The next prime is 111101011099417. The reversal of 111101011099399 is 993990110101111.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 111101011099399 - 2⁹ = 111101011098887 is a prime.

It is a super-2 number, since 2×111101011099399² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111101011099369) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55550505549699 + 55550505549700.

It is an arithmetic number, because the mean of its divisors is an integer number (55550505549700).

Almost surely, 2^{111101011099399} is an apocalyptic number.

111101011099399 is a deficient number, since it is larger than the sum of its proper divisors (1).

111101011099399 is an equidigital number, since it uses as much as digits as its factorization.

111101011099399 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 19683, while the sum is 46.

The spelling of 111101011099399 in words is "one hundred eleven trillion, one hundred one billion, eleven million, ninety-nine thousand, three hundred ninety-nine".