111232011211 has 16 divisors (see below), whose sum is σ = 118107956736. Its totient is φ = 104393471616.

The previous prime is 111232011181. The next prime is 111232011263. The reversal of 111232011211 is 112110232111.

It is a happy number.

It is not a de Polignac number, because 111232011211 - 2⁷ = 111232011083 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111232011911) 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, 9643930 + ... + 9655456.

It is an arithmetic number, because the mean of its divisors is an integer number (7381747296).

Almost surely, 2^111232011211 is an apocalyptic number.

111232011211 is a deficient number, since it is larger than the sum of its proper divisors (6875945525).

111232011211 is a wasteful number, since it uses less digits than its factorization.

111232011211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13098.

The product of its (nonzero) digits is 24, while the sum is 16.

Adding to 111232011211 its reverse (112110232111), we get a palindrome (223342243322).

The spelling of 111232011211 in words is "one hundred eleven billion, two hundred thirty-two million, eleven thousand, two hundred eleven".