11002112113 has 4 divisors (see below), whose sum is σ = 11209699188. Its totient is φ = 10794525040.

The previous prime is 11002112111. The next prime is 11002112117. The reversal of 11002112113 is 31121120011.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 5977145344 + 5024966769 = 77312^2 + 70887^2 .

It is a cyclic number.

It is not a de Polignac number, because 11002112113 - 2¹ = 11002112111 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11002112093 and 11002112102.

It is not an unprimeable number, because it can be changed into a prime (11002112111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 103793458 + ... + 103793563.

It is an arithmetic number, because the mean of its divisors is an integer number (2802424797).

Almost surely, 2^11002112113 is an apocalyptic number.

It is an amenable number.

11002112113 is a deficient number, since it is larger than the sum of its proper divisors (207587075).

11002112113 is an equidigital number, since it uses as much as digits as its factorization.

11002112113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 207587074.

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

Adding to 11002112113 its reverse (31121120011), we get a palindrome (42123232124).

The spelling of 11002112113 in words is "eleven billion, two million, one hundred twelve thousand, one hundred thirteen".