111030111101231 has 16 divisors (see below), whose sum is σ = 131924220264000. Its totient is φ = 93373031422944.

The previous prime is 111030111101191. The next prime is 111030111101243. The reversal of 111030111101231 is 132101111030111.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-111030111101231 is a prime.

It is a super-2 number, since 2×111030111101231² (a number of 29 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 (111030111100231) 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, 3053783216 + ... + 3053819573.

It is an arithmetic number, because the mean of its divisors is an integer number (8245263766500).

Almost surely, 2^{111030111101231} is an apocalyptic number.

111030111101231 is a deficient number, since it is larger than the sum of its proper divisors (20894109162769).

111030111101231 is an frugal number, since it uses more digits than its factorization.

111030111101231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6107602863 (or 6107602849 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 17.

Adding to 111030111101231 its reverse (132101111030111), we get a palindrome (243131222131342).

The spelling of 111030111101231 in words is "one hundred eleven trillion, thirty billion, one hundred eleven million, one hundred one thousand, two hundred thirty-one".