1112231220144 has 40 divisors (see below), whose sum is σ = 3134469803712. Its totient is φ = 337039763520.

The previous prime is 1112231220143. The next prime is 1112231220157. The reversal of 1112231220144 is 4410221322111.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (1112231220143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1053248734 + ... + 1053249789.

Almost surely, 2^{1112231220144} is an apocalyptic number.

It is an amenable number.

1112231220144 is an abundant number, since it is smaller than the sum of its proper divisors (2022238583568).

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

1112231220144 is a wasteful number, since it uses less digits than its factorization.

1112231220144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2106498545 (or 2106498539 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 24.

Adding to 1112231220144 its reverse (4410221322111), we get a palindrome (5522452542255).

The spelling of 1112231220144 in words is "one trillion, one hundred twelve billion, two hundred thirty-one million, two hundred twenty thousand, one hundred forty-four".