11111111010112 has 14 divisors (see below), whose sum is σ = 22048610910818. Its totient is φ = 5555555505024.

The previous prime is 11111111010089. The next prime is 11111111010191. The reversal of 11111111010112 is 21101011111111.

It can be written as a sum of positive squares in only one way, i.e., 9224729626176 + 1886381383936 = 3037224^2 + 1373456^2 .

It is a junction number, because it is equal to n+sod(n) for n = 11111111010092 and 11111111010101.

It is a congruent number.

It is an unprimeable number.

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, 86805554703 + ... + 86805554830.

Almost surely, 2^{11111111010112} is an apocalyptic number.

It is an amenable number.

11111111010112 is a deficient number, since it is larger than the sum of its proper divisors (10937499900706).

11111111010112 is an equidigital number, since it uses as much as digits as its factorization.

11111111010112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173611109545 (or 173611109535 counting only the distinct ones).

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

Adding to 11111111010112 its reverse (21101011111111), we get a palindrome (32212122121223).

The spelling of 11111111010112 in words is "eleven trillion, one hundred eleven billion, one hundred eleven million, ten thousand, one hundred twelve".