11211300113 has 24 divisors (see below), whose sum is σ = 13296765888. Its totient is φ = 9377853408.

The previous prime is 11211300109. The next prime is 11211300127. The reversal of 11211300113 is 31100311211.

It is a happy number.

It is not a de Polignac number, because 11211300113 - 2² = 11211300109 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11211300143) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 56006 + ... + 159872.

It is an arithmetic number, because the mean of its divisors is an integer number (554031912).

Almost surely, 2^11211300113 is an apocalyptic number.

11211300113 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

11211300113 is a deficient number, since it is larger than the sum of its proper divisors (2085465775).

11211300113 is a wasteful number, since it uses less digits than its factorization.

11211300113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103941 (or 103922 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 14.

Adding to 11211300113 its reverse (31100311211), we get a palindrome (42311611324).

The spelling of 11211300113 in words is "eleven billion, two hundred eleven million, three hundred thousand, one hundred thirteen".