111122142444 has 18 divisors (see below), whose sum is σ = 280892082380. Its totient is φ = 37040714136.

The previous prime is 111122142407. The next prime is 111122142457. The reversal of 111122142444 is 444241221111.

111122142444 is a `hidden beast` number, since 1 + 1 + 1 + 1 + 2 + 214 + 2 + 444 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1543363054 + ... + 1543363125.

Almost surely, 2^111122142444 is an apocalyptic number.

It is an amenable number.

111122142444 is an abundant number, since it is smaller than the sum of its proper divisors (169769939936).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

111122142444 is a wasteful number, since it uses less digits than its factorization.

111122142444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3086726189 (or 3086726184 counting only the distinct ones).

The product of its digits is 2048, while the sum is 27.

Adding to 111122142444 its reverse (444241221111), we get a palindrome (555363363555).

The spelling of 111122142444 in words is "one hundred eleven billion, one hundred twenty-two million, one hundred forty-two thousand, four hundred forty-four".