111103322231 has 16 divisors (see below), whose sum is σ = 131063754240. Its totient is φ = 93039070080.

The previous prime is 111103322219. The next prime is 111103322249. The reversal of 111103322231 is 132223301111.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-111103322231 is a prime.

It is a super-2 number, since 2×111103322231² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111103322431) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6311801 + ... + 6329378.

It is an arithmetic number, because the mean of its divisors is an integer number (8191484640).

Almost surely, 2^111103322231 is an apocalyptic number.

111103322231 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

111103322231 is a deficient number, since it is larger than the sum of its proper divisors (19960432009).

111103322231 is a wasteful number, since it uses less digits than its factorization.

111103322231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12641254.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 111103322231 its reverse (132223301111), we get a palindrome (243326623342).

It can be divided in two parts, 111103 and 322231, that added together give a palindrome (433334).

The spelling of 111103322231 in words is "one hundred eleven billion, one hundred three million, three hundred twenty-two thousand, two hundred thirty-one".