11011010101019 has 2 divisors, whose sum is σ = 11011010101020. Its totient is φ = 11011010101018.

The previous prime is 11011010100997. The next prime is 11011010101043. The reversal of 11011010101019 is 91010101011011.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11011010101019 - 2¹² = 11011010096923 is a prime.

It is a super-2 number, since 2×11011010101019² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11011010100988 and 11011010101006.

It is not a weakly prime, because it can be changed into another prime (11011010101079) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5505505050509 + 5505505050510.

It is an arithmetic number, because the mean of its divisors is an integer number (5505505050510).

Almost surely, 2^{11011010101019} is an apocalyptic number.

11011010101019 is a deficient number, since it is larger than the sum of its proper divisors (1).

11011010101019 is an equidigital number, since it uses as much as digits as its factorization.

11011010101019 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 17.

The spelling of 11011010101019 in words is "eleven trillion, eleven billion, ten million, one hundred one thousand, nineteen".