111031423004111 has 4 divisors (see below), whose sum is σ = 111557638279224. Its totient is φ = 110505207729000.

The previous prime is 111031423004077. The next prime is 111031423004129. The reversal of 111031423004111 is 111400324130111.

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

It is a cyclic number.

It is not a de Polignac number, because 111031423004111 - 2²² = 111031418809807 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111031423084111) 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, 263107637240 + ... + 263107637661.

It is an arithmetic number, because the mean of its divisors is an integer number (27889409569806).

Almost surely, 2^{111031423004111} is an apocalyptic number.

111031423004111 is a deficient number, since it is larger than the sum of its proper divisors (526215275113).

111031423004111 is an equidigital number, since it uses as much as digits as its factorization.

111031423004111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 526215275112.

The product of its (nonzero) digits is 288, while the sum is 23.

Adding to 111031423004111 its reverse (111400324130111), we get a palindrome (222431747134222).

The spelling of 111031423004111 in words is "one hundred eleven trillion, thirty-one billion, four hundred twenty-three million, four thousand, one hundred eleven".