11001220112 has 10 divisors (see below), whose sum is σ = 21314863998. Its totient is φ = 5500610048.

The previous prime is 11001220073. The next prime is 11001220127. The reversal of 11001220112 is 21102210011.

It can be written as a sum of positive squares in only one way, i.e., 7166638336 + 3834581776 = 84656^2 + 61924^2 .

It is a junction number, because it is equal to n+sod(n) for n = 11001220093 and 11001220102.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 343788113 + ... + 343788144.

Almost surely, 2^11001220112 is an apocalyptic number.

It is an amenable number.

11001220112 is a deficient number, since it is larger than the sum of its proper divisors (10313643886).

11001220112 is an equidigital number, since it uses as much as digits as its factorization.

11001220112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 687576265 (or 687576259 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 11001220112 its reverse (21102210011), we get a palindrome (32103430123).

The spelling of 11001220112 in words is "eleven billion, one million, two hundred twenty thousand, one hundred twelve".