111232401142 has 32 divisors (see below), whose sum is σ = 174512802240. Its totient is φ = 53073039360.

The previous prime is 111232401139. The next prime is 111232401173. The reversal of 111232401142 is 241104232111.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 58883334 + ... + 58885222.

It is an arithmetic number, because the mean of its divisors is an integer number (5453525070).

Almost surely, 2^111232401142 is an apocalyptic number.

111232401142 is a deficient number, since it is larger than the sum of its proper divisors (63280401098).

111232401142 is a wasteful number, since it uses less digits than its factorization.

111232401142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4248.

The product of its (nonzero) digits is 384, while the sum is 22.

Adding to 111232401142 its reverse (241104232111), we get a palindrome (352336633253).

The spelling of 111232401142 in words is "one hundred eleven billion, two hundred thirty-two million, four hundred one thousand, one hundred forty-two".