111443240122 has 8 divisors (see below), whose sum is σ = 167786291700. Its totient is φ = 55514476224.

The previous prime is 111443240119. The next prime is 111443240149. The reversal of 111443240122 is 221042344111.

It can be written as a sum of positive squares in 2 ways, for example, as 108676374921 + 2766865201 = 329661^2 + 52601^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 103571247 + ... + 103572322.

Almost surely, 2^111443240122 is an apocalyptic number.

111443240122 is a deficient number, since it is larger than the sum of its proper divisors (56343051578).

111443240122 is a wasteful number, since it uses less digits than its factorization.

111443240122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 207143840.

The product of its (nonzero) digits is 1536, while the sum is 25.

Adding to 111443240122 its reverse (221042344111), we get a palindrome (332485584233).

The spelling of 111443240122 in words is "one hundred eleven billion, four hundred forty-three million, two hundred forty thousand, one hundred twenty-two".