111134144131 has 4 divisors (see below), whose sum is σ = 111135795352. Its totient is φ = 111132492912.

The previous prime is 111134144089. The next prime is 111134144159. The reversal of 111134144131 is 131441431111.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 131441431111 = 182641 ⋅719671.

It is a cyclic number.

It is not a de Polignac number, because 111134144131 - 2³¹ = 108986660483 is a prime.

It is a super-2 number, since 2×111134144131² (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 = 111134144096 and 111134144105.

It is not an unprimeable number, because it can be changed into a prime (111134244131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 720165 + ... + 860758.

It is an arithmetic number, because the mean of its divisors is an integer number (27783948838).

Almost surely, 2^111134144131 is an apocalyptic number.

111134144131 is a deficient number, since it is larger than the sum of its proper divisors (1651221).

111134144131 is an equidigital number, since it uses as much as digits as its factorization.

111134144131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1651220.

The product of its digits is 576, while the sum is 25.

Adding to 111134144131 its reverse (131441431111), we get a palindrome (242575575242).

The spelling of 111134144131 in words is "one hundred eleven billion, one hundred thirty-four million, one hundred forty-four thousand, one hundred thirty-one".