11113212113 has 8 divisors (see below), whose sum is σ = 11187283200. Its totient is φ = 11039323680.

The previous prime is 11113212107. The next prime is 11113212127. The reversal of 11113212113 is 31121231111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11113212113 - 2¹² = 11113208017 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11113212091 and 11113212100.

It is not an unprimeable number, because it can be changed into a prime (11113212133) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 77528 + ... + 168038.

It is an arithmetic number, because the mean of its divisors is an integer number (1398410400).

Almost surely, 2^11113212113 is an apocalyptic number.

It is an amenable number.

11113212113 is a deficient number, since it is larger than the sum of its proper divisors (74071087).

11113212113 is an equidigital number, since it uses as much as digits as its factorization.

11113212113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91327.

The product of its digits is 36, while the sum is 17.

Adding to 11113212113 its reverse (31121231111), we get a palindrome (42234443224).

The spelling of 11113212113 in words is "eleven billion, one hundred thirteen million, two hundred twelve thousand, one hundred thirteen".