11020111112 has 16 divisors (see below), whose sum is σ = 21750219600. Its totient is φ = 5220052560.

The previous prime is 11020111087. The next prime is 11020111129. The reversal of 11020111112 is 21111102011.

It is a junction number, because it is equal to n+sod(n) for n = 11020111093 and 11020111102.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36250214 + ... + 36250517.

It is an arithmetic number, because the mean of its divisors is an integer number (1359388725).

Almost surely, 2^11020111112 is an apocalyptic number.

It is an amenable number.

11020111112 is a deficient number, since it is larger than the sum of its proper divisors (10730108488).

11020111112 is a wasteful number, since it uses less digits than its factorization.

11020111112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72500756 (or 72500752 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 11020111112 its reverse (21111102011), we get a palindrome (32131213123).

The spelling of 11020111112 in words is "eleven billion, twenty million, one hundred eleven thousand, one hundred twelve".