1112231220145 has 8 divisors (see below), whose sum is σ = 1337535448704. Its totient is φ = 887879653104.

The previous prime is 1112231220143. The next prime is 1112231220157. The reversal of 1112231220145 is 5410221322111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1112231220145 - 2¹ = 1112231220143 is a prime.

It is a Duffinian number.

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

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 238162809 + ... + 238167478.

It is an arithmetic number, because the mean of its divisors is an integer number (167191931088).

Almost surely, 2^{1112231220145} is an apocalyptic number.

It is an amenable number.

1112231220145 is a deficient number, since it is larger than the sum of its proper divisors (225304228559).

1112231220145 is an equidigital number, since it uses as much as digits as its factorization.

1112231220145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 476330759.

The product of its (nonzero) digits is 960, while the sum is 25.

Adding to 1112231220145 its reverse (5410221322111), we get a palindrome (6522452542256).

The spelling of 1112231220145 in words is "one trillion, one hundred twelve billion, two hundred thirty-one million, two hundred twenty thousand, one hundred forty-five".