111232141099 has 4 divisors (see below), whose sum is σ = 111232890736. Its totient is φ = 111231391464.

The previous prime is 111232141067. The next prime is 111232141151. The reversal of 111232141099 is 990141232111.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 990141232111 = 3491 ⋅283626821.

It is a cyclic number.

It is not a de Polignac number, because 111232141099 - 2⁵ = 111232141067 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111232141019) 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 3 ways as a sum of consecutive naturals, for example, 69159 + ... + 476704.

It is an arithmetic number, because the mean of its divisors is an integer number (27808222684).

Almost surely, 2^111232141099 is an apocalyptic number.

111232141099 is a deficient number, since it is larger than the sum of its proper divisors (749637).

111232141099 is an equidigital number, since it uses as much as digits as its factorization.

111232141099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 749636.

The product of its (nonzero) digits is 3888, while the sum is 34.

The spelling of 111232141099 in words is "one hundred eleven billion, two hundred thirty-two million, one hundred forty-one thousand, ninety-nine".