11112111120028 has 12 divisors (see below), whose sum is σ = 19543914031600. Its totient is φ = 5528135682432.

The previous prime is 11112111119987. The next prime is 11112111120029. The reversal of 11112111120028 is 82002111121111.

It is a junction number, because it is equal to n+sod(n) for n = 11112111119990 and 11112111120008.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11112111120029) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6979968501 + ... + 6979970092.

Almost surely, 2^{11112111120028} is an apocalyptic number.

It is an amenable number.

11112111120028 is a deficient number, since it is larger than the sum of its proper divisors (8431802911572).

11112111120028 is a wasteful number, since it uses less digits than its factorization.

11112111120028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13959938796 (or 13959938794 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 22.

Adding to 11112111120028 its reverse (82002111121111), we get a palindrome (93114222241139).

The spelling of 11112111120028 in words is "eleven trillion, one hundred twelve billion, one hundred eleven million, one hundred twenty thousand, twenty-eight".