11112103311 has 4 divisors (see below), whose sum is σ = 14816137752. Its totient is φ = 7408068872.

The previous prime is 11112103309. The next prime is 11112103313. The reversal of 11112103311 is 11330121111.

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

It is an interprime number because it is at equal distance from previous prime (11112103309) and next prime (11112103313).

It is a cyclic number.

It is not a de Polignac number, because 11112103311 - 2¹ = 11112103309 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11112103313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1852017216 + ... + 1852017221.

It is an arithmetic number, because the mean of its divisors is an integer number (3704034438).

Almost surely, 2^11112103311 is an apocalyptic number.

11112103311 is a deficient number, since it is larger than the sum of its proper divisors (3704034441).

11112103311 is an equidigital number, since it uses as much as digits as its factorization.

11112103311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3704034440.

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

Adding to 11112103311 its reverse (11330121111), we get a palindrome (22442224422).

The spelling of 11112103311 in words is "eleven billion, one hundred twelve million, one hundred three thousand, three hundred eleven".