111103223131 has 4 divisors (see below), whose sum is σ = 111107329200. Its totient is φ = 111099117064.

The previous prime is 111103223129. The next prime is 111103223149. The reversal of 111103223131 is 131322301111.

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 111103223131 - 2¹ = 111103223129 is a prime.

It is a super-2 number, since 2×111103223131² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 111103223099 and 111103223108.

It is not an unprimeable number, because it can be changed into a prime (111103223191) 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, 2012176 + ... + 2066653.

It is an arithmetic number, because the mean of its divisors is an integer number (27776832300).

Almost surely, 2^111103223131 is an apocalyptic number.

111103223131 is a deficient number, since it is larger than the sum of its proper divisors (4106069).

111103223131 is an equidigital number, since it uses as much as digits as its factorization.

111103223131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4106068.

The product of its (nonzero) digits is 108, while the sum is 19.

Adding to 111103223131 its reverse (131322301111), we get a palindrome (242425524242).

The spelling of 111103223131 in words is "one hundred eleven billion, one hundred three million, two hundred twenty-three thousand, one hundred thirty-one".