111000000001019 has 2 divisors, whose sum is σ = 111000000001020. Its totient is φ = 111000000001018.

The previous prime is 111000000001001. The next prime is 111000000001021. The reversal of 111000000001019 is 910100000000111.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 111000000001019 - 2³⁶ = 110931280524283 is a prime.

It is a super-2 number, since 2×111000000001019² (a number of 29 digits) contains 22 as substring.

Together with 111000000001021, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 111000000000994 and 111000000001012.

It is not a weakly prime, because it can be changed into another prime (111000000006019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55500000000509 + 55500000000510.

It is an arithmetic number, because the mean of its divisors is an integer number (55500000000510).

Almost surely, 2^{111000000001019} is an apocalyptic number.

111000000001019 is a deficient number, since it is larger than the sum of its proper divisors (1).

111000000001019 is an equidigital number, since it uses as much as digits as its factorization.

111000000001019 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9, while the sum is 14.

The spelling of 111000000001019 in words is "one hundred eleven trillion, one thousand, nineteen".