1011112044 has 12 divisors (see below), whose sum is σ = 2359261464. Its totient is φ = 337037344.

The previous prime is 1011111991. The next prime is 1011112049. The reversal of 1011112044 is 4402111101.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (1011112049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42129657 + ... + 42129680.

It is an arithmetic number, because the mean of its divisors is an integer number (196605122).

Almost surely, 2^1011112044 is an apocalyptic number.

It is an amenable number.

1011112044 is an abundant number, since it is smaller than the sum of its proper divisors (1348149420).

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

1011112044 is a wasteful number, since it uses less digits than its factorization.

1011112044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84259344 (or 84259342 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

The square root of 1011112044 is about 31797.9880495606. The cubic root of 1011112044 is about 1003.6903790164.

Adding to 1011112044 its reverse (4402111101), we get a palindrome (5413223145).

It can be divided in two parts, 10111 and 12044, that added together give a triangular number (22155 = T₂₁₀).

The spelling of 1011112044 in words is "one billion, eleven million, one hundred twelve thousand, forty-four".