11113110223231 has 2 divisors, whose sum is σ = 11113110223232. Its totient is φ = 11113110223230.

The previous prime is 11113110223157. The next prime is 11113110223247. The reversal of 11113110223231 is 13232201131111.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11113110223231 - 2³⁵ = 11078750484863 is a prime.

It is a super-2 number, since 2×11113110223231² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11113110223261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5556555111615 + 5556555111616.

It is an arithmetic number, because the mean of its divisors is an integer number (5556555111616).

Almost surely, 2^{11113110223231} is an apocalyptic number.

11113110223231 is a deficient number, since it is larger than the sum of its proper divisors (1).

11113110223231 is an equidigital number, since it uses as much as digits as its factorization.

11113110223231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 22.

Adding to 11113110223231 its reverse (13232201131111), we get a palindrome (24345311354342).

The spelling of 11113110223231 in words is "eleven trillion, one hundred thirteen billion, one hundred ten million, two hundred twenty-three thousand, two hundred thirty-one".