111221034044 has 6 divisors (see below), whose sum is σ = 194636809584. Its totient is φ = 55610517020.

The previous prime is 111221034019. The next prime is 111221034047. The reversal of 111221034044 is 440430122111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111221034047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13902629252 + ... + 13902629259.

It is an arithmetic number, because the mean of its divisors is an integer number (32439468264).

Almost surely, 2^111221034044 is an apocalyptic number.

It is an amenable number.

111221034044 is a deficient number, since it is larger than the sum of its proper divisors (83415775540).

111221034044 is a wasteful number, since it uses less digits than its factorization.

111221034044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27805258515 (or 27805258513 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 23.

Adding to 111221034044 its reverse (440430122111), we get a palindrome (551651156155).

The spelling of 111221034044 in words is "one hundred eleven billion, two hundred twenty-one million, thirty-four thousand, forty-four".