111121333044 has 48 divisors (see below), whose sum is σ = 260720280576. Its totient is φ = 36835254400.

The previous prime is 111121333031. The next prime is 111121333049. The reversal of 111121333044 is 440333121111.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111121333049) 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, 11173114 + ... + 11183054.

It is an arithmetic number, because the mean of its divisors is an integer number (5431672512).

Almost surely, 2^111121333044 is an apocalyptic number.

It is an amenable number.

111121333044 is an abundant number, since it is smaller than the sum of its proper divisors (149598947532).

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

111121333044 is a wasteful number, since it uses less digits than its factorization.

111121333044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15016 (or 15014 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 24.

Adding to 111121333044 its reverse (440333121111), we get a palindrome (551454454155).

The spelling of 111121333044 in words is "one hundred eleven billion, one hundred twenty-one million, three hundred thirty-three thousand, forty-four".