11011111110112 has 48 divisors (see below), whose sum is σ = 21763249089120. Its totient is φ = 5483941937152.

The previous prime is 11011111110089. The next prime is 11011111110113. The reversal of 11011111110112 is 21101111111011.

It is a junction number, because it is equal to n+sod(n) for n = 11011111110092 and 11011111110101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11011111110113) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71568564 + ... + 71722252.

It is an arithmetic number, because the mean of its divisors is an integer number (453401022690).

Almost surely, 2^{11011111110112} is an apocalyptic number.

It is an amenable number.

11011111110112 is a deficient number, since it is larger than the sum of its proper divisors (10752137979008).

11011111110112 is a wasteful number, since it uses less digits than its factorization.

11011111110112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162475 (or 162467 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 13.

Adding to 11011111110112 its reverse (21101111111011), we get a palindrome (32112222221123).

It can be divided in two parts, 1101111111011 and 2, that multiplied together give a palindrome (2202222222022).

The spelling of 11011111110112 in words is "eleven trillion, eleven billion, one hundred eleven million, one hundred ten thousand, one hundred twelve".