111232141131 has 16 divisors (see below), whose sum is σ = 149995026720. Its totient is φ = 73314961920.

The previous prime is 111232141067. The next prime is 111232141151. The reversal of 111232141131 is 131141232111.

It is a happy number.

It is not a de Polignac number, because 111232141131 - 2⁶ = 111232141067 is a prime.

It is a super-2 number, since 2×111232141131² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 111232141098 and 111232141107.

It is not an unprimeable number, because it can be changed into a prime (111232141151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 218190 + ... + 519683.

It is an arithmetic number, because the mean of its divisors is an integer number (9374689170).

Almost surely, 2^111232141131 is an apocalyptic number.

111232141131 is a deficient number, since it is larger than the sum of its proper divisors (38762885589).

111232141131 is a wasteful number, since it uses less digits than its factorization.

111232141131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 738446.

The product of its digits is 144, while the sum is 21.

Adding to 111232141131 its reverse (131141232111), we get a palindrome (242373373242).

The spelling of 111232141131 in words is "one hundred eleven billion, two hundred thirty-two million, one hundred forty-one thousand, one hundred thirty-one".