11113101233 has 4 divisors (see below), whose sum is σ = 11967955188. Its totient is φ = 10258247280.

The previous prime is 11113101221. The next prime is 11113101239. The reversal of 11113101233 is 33210131111.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 33210131111 = 359 ⋅92507329.

It can be written as a sum of positive squares in 2 ways, for example, as 7453214224 + 3659887009 = 86332^2 + 60497^2 .

It is a cyclic number.

It is not a de Polignac number, because 11113101233 - 2¹² = 11113097137 is a prime.

It is a super-2 number, since 2×11113101233² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11113101239) 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, 427426958 + ... + 427426983.

It is an arithmetic number, because the mean of its divisors is an integer number (2991988797).

Almost surely, 2^11113101233 is an apocalyptic number.

11113101233 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

11113101233 is a deficient number, since it is larger than the sum of its proper divisors (854853955).

11113101233 is an equidigital number, since it uses as much as digits as its factorization.

11113101233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 854853954.

The product of its (nonzero) digits is 54, while the sum is 17.

Adding to 11113101233 its reverse (33210131111), we get a palindrome (44323232344).

The spelling of 11113101233 in words is "eleven billion, one hundred thirteen million, one hundred one thousand, two hundred thirty-three".