111011100000019 has 2 divisors, whose sum is σ = 111011100000020. Its totient is φ = 111011100000018.

The previous prime is 111011100000001. The next prime is 111011100000029. The reversal of 111011100000019 is 910000001110111.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 111011100000019 - 2⁹ = 111011099999507 is a prime.

It is a super-2 number, since 2×111011100000019² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 111011099999948 and 111011100000011.

It is not a weakly prime, because it can be changed into another prime (111011100000029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55505550000009 + 55505550000010.

It is an arithmetic number, because the mean of its divisors is an integer number (55505550000010).

Almost surely, 2^{111011100000019} is an apocalyptic number.

111011100000019 is a deficient number, since it is larger than the sum of its proper divisors (1).

111011100000019 is an equidigital number, since it uses as much as digits as its factorization.

111011100000019 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9, while the sum is 16.

The spelling of 111011100000019 in words is "one hundred eleven trillion, eleven billion, one hundred million, nineteen", and thus it is an aban number.