11121021112 has 8 divisors (see below), whose sum is σ = 20851914600. Its totient is φ = 5560510552.

The previous prime is 11121021089. The next prime is 11121021151. The reversal of 11121021112 is 21112012111.

It is a happy number.

11121021112 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×11121021112² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11121021092 and 11121021101.

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, 695063812 + ... + 695063827.

It is an arithmetic number, because the mean of its divisors is an integer number (2606489325).

Almost surely, 2^11121021112 is an apocalyptic number.

It is an amenable number.

11121021112 is a deficient number, since it is larger than the sum of its proper divisors (9730893488).

11121021112 is a wasteful number, since it uses less digits than its factorization.

11121021112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1390127645 (or 1390127641 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 11121021112 its reverse (21112012111), we get a palindrome (32233033223).

Subtracting 11121021112 from its reverse (21112012111), we obtain a palindrome (9990990999).

The spelling of 11121021112 in words is "eleven billion, one hundred twenty-one million, twenty-one thousand, one hundred twelve".