111232310001 has 16 divisors (see below), whose sum is σ = 151770660096. Its totient is φ = 72424686096.

The previous prime is 111232309973. The next prime is 111232310009. The reversal of 111232310001 is 100013232111.

It is a happy number.

It is not a de Polignac number, because 111232310001 - 2³¹ = 109084826353 is a prime.

It is not an unprimeable number, because it can be changed into a prime (111232310009) 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, 2194126 + ... + 2244248.

It is an arithmetic number, because the mean of its divisors is an integer number (9485666256).

Almost surely, 2^111232310001 is an apocalyptic number.

It is an amenable number.

111232310001 is a deficient number, since it is larger than the sum of its proper divisors (40538350095).

111232310001 is a wasteful number, since it uses less digits than its factorization.

111232310001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67372.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 111232310001 its reverse (100013232111), we get a palindrome (211245542112).

The spelling of 111232310001 in words is "one hundred eleven billion, two hundred thirty-two million, three hundred ten thousand, one".