11011230019 has 4 divisors (see below), whose sum is σ = 11011439920. Its totient is φ = 11011020120.

The previous prime is 11011229993. The next prime is 11011230047. The reversal of 11011230019 is 91003211011.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 91003211011 = 29 ⋅3138041759.

It is a cyclic number.

It is not a de Polignac number, because 11011230019 - 2⁷ = 11011229891 is a prime.

It is a super-2 number, since 2×11011230019² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11011229978 and 11011230005.

It is not an unprimeable number, because it can be changed into a prime (11011230119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49762 + ... + 156520.

It is an arithmetic number, because the mean of its divisors is an integer number (2752859980).

Almost surely, 2^11011230019 is an apocalyptic number.

11011230019 is a deficient number, since it is larger than the sum of its proper divisors (209901).

11011230019 is a wasteful number, since it uses less digits than its factorization.

11011230019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209900.

The product of its (nonzero) digits is 54, while the sum is 19.

The spelling of 11011230019 in words is "eleven billion, eleven million, two hundred thirty thousand, nineteen".