10011123112 has 16 divisors (see below), whose sum is σ = 18812668500. Its totient is φ = 4994411520.

The previous prime is 10011123077. The next prime is 10011123119. The reversal of 10011123112 is 21132111001.

It is a happy number.

10011123112 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 10009202116 + 1920996 = 100046^2 + 1386^2 .

It is a junction number, because it is equal to n+sod(n) for n = 10011123092 and 10011123101.

It is not an unprimeable number, because it can be changed into a prime (10011123119) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 1389939 + ... + 1397122.

Almost surely, 2^10011123112 is an apocalyptic number.

It is an amenable number.

10011123112 is a deficient number, since it is larger than the sum of its proper divisors (8801545388).

10011123112 is a wasteful number, since it uses less digits than its factorization.

10011123112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2787516 (or 2787512 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 13.

Adding to 10011123112 its reverse (21132111001), we get a palindrome (31143234113).

The spelling of 10011123112 in words is "ten billion, eleven million, one hundred twenty-three thousand, one hundred twelve".