111011100110231 has 2 divisors, whose sum is σ = 111011100110232. Its totient is φ = 111011100110230.

The previous prime is 111011100110081. The next prime is 111011100110233. The reversal of 111011100110231 is 132011001110111.

It is a strong prime.

It is an emirp because it is prime and its reverse (132011001110111) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 111011100110231 - 2²⁶ = 111011033001367 is a prime.

It is a super-2 number, since 2×111011100110231² (a number of 29 digits) contains 22 as substring.

It is a Sophie Germain prime.

Together with 111011100110233, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111011100110233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55505550055115 + 55505550055116.

It is an arithmetic number, because the mean of its divisors is an integer number (55505550055116).

Almost surely, 2^{111011100110231} is an apocalyptic number.

111011100110231 is a deficient number, since it is larger than the sum of its proper divisors (1).

111011100110231 is an equidigital number, since it uses as much as digits as its factorization.

111011100110231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6, while the sum is 14.

Adding to 111011100110231 its reverse (132011001110111), we get a palindrome (243022101220342).

The spelling of 111011100110231 in words is "one hundred eleven trillion, eleven billion, one hundred million, one hundred ten thousand, two hundred thirty-one".