1110221144 has 8 divisors (see below), whose sum is σ = 2081664660. Its totient is φ = 555110568.

The previous prime is 1110221143. The next prime is 1110221191. The reversal of 1110221144 is 4411220111.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1110221141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 69388814 + ... + 69388829.

Almost surely, 2^1110221144 is an apocalyptic number.

It is an amenable number.

1110221144 is a deficient number, since it is larger than the sum of its proper divisors (971443516).

1110221144 is a wasteful number, since it uses less digits than its factorization.

1110221144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138777649 (or 138777645 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

The square root of 1110221144 is about 33319.9811524557. The cubic root of 1110221144 is about 1035.4675613130.

Adding to 1110221144 its reverse (4411220111), we get a palindrome (5521441255).

The spelling of 1110221144 in words is "one billion, one hundred ten million, two hundred twenty-one thousand, one hundred forty-four".