1011100212112 has 20 divisors (see below), whose sum is σ = 1966289221980. Its totient is φ = 503670735488.

The previous prime is 1011100212107. The next prime is 1011100212163. The reversal of 1011100212112 is 2112120011101.

It is a happy number.

1011100212112 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 19275434896 + 991824777216 = 138836^2 + 995904^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1011100212092 and 1011100212101.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 117456223 + ... + 117464830.

It is an arithmetic number, because the mean of its divisors is an integer number (98314461099).

Almost surely, 2^{1011100212112} is an apocalyptic number.

It is an amenable number.

1011100212112 is a deficient number, since it is larger than the sum of its proper divisors (955189009868).

1011100212112 is a wasteful number, since it uses less digits than its factorization.

1011100212112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 234921330 (or 234921324 counting only the distinct ones).

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

Adding to 1011100212112 its reverse (2112120011101), we get a palindrome (3123220223213).

The spelling of 1011100212112 in words is "one trillion, eleven billion, one hundred million, two hundred twelve thousand, one hundred twelve".