1111111001027 has 2 divisors, whose sum is σ = 1111111001028. Its totient is φ = 1111111001026.

The previous prime is 1111111000957. The next prime is 1111111001053. The reversal of 1111111001027 is 7201001111111.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1111111001027 - 2¹⁶ = 1111110935491 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1111111000996 and 1111111001014.

It is not a weakly prime, because it can be changed into another prime (1111111001227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 555555500513 + 555555500514.

It is an arithmetic number, because the mean of its divisors is an integer number (555555500514).

Almost surely, 2^{1111111001027} is an apocalyptic number.

1111111001027 is a deficient number, since it is larger than the sum of its proper divisors (1).

1111111001027 is an equidigital number, since it uses as much as digits as its factorization.

1111111001027 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14, while the sum is 17.

Adding to 1111111001027 its reverse (7201001111111), we get a palindrome (8312112112138).

The spelling of 1111111001027 in words is "one trillion, one hundred eleven billion, one hundred eleven million, one thousand, twenty-seven".