11011110121011 has 96 divisors (see below), whose sum is σ = 19896349817344. Its totient is φ = 5270796748800.

The previous prime is 11011110120979. The next prime is 11011110121057. The reversal of 11011110121011 is 11012101111011.

11011110121011 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11011110121011 - 2⁵ = 11011110120979 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11011110121211) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 18569955 + ... + 19153731.

Almost surely, 2^{11011110121011} is an apocalyptic number.

11011110121011 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

11011110121011 is a deficient number, since it is larger than the sum of its proper divisors (8885239696333).

11011110121011 is a wasteful number, since it uses less digits than its factorization.

11011110121011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 584393 (or 584382 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 12.

Adding to 11011110121011 its reverse (11012101111011), we get a palindrome (22023211232022).

It can be divided in two parts, 11011110 and 121011, that added together give a triangular number (11132121 = T₄₇₁₈).

The spelling of 11011110121011 in words is "eleven trillion, eleven billion, one hundred ten million, one hundred twenty-one thousand, eleven".