11113203111 has 8 divisors (see below), whose sum is σ = 14820234240. Its totient is φ = 7407487032.

The previous prime is 11113203083. The next prime is 11113203119. The reversal of 11113203111 is 11130231111.

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

It is not a de Polignac number, because 11113203111 - 2⁶ = 11113203047 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11113203119) 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, 308871 + ... + 342968.

It is an arithmetic number, because the mean of its divisors is an integer number (1852529280).

Almost surely, 2^11113203111 is an apocalyptic number.

11113203111 is a deficient number, since it is larger than the sum of its proper divisors (3707031129).

11113203111 is an equidigital number, since it uses as much as digits as its factorization.

11113203111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 657525.

The product of its (nonzero) digits is 18, while the sum is 15.

Adding to 11113203111 its reverse (11130231111), we get a palindrome (22243434222).

The spelling of 11113203111 in words is "eleven billion, one hundred thirteen million, two hundred three thousand, one hundred eleven".