112003144021 has 2 divisors, whose sum is σ = 112003144022. Its totient is φ = 112003144020.

The previous prime is 112003144013. The next prime is 112003144069. The reversal of 112003144021 is 120441300211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 80180151921 + 31822992100 = 283161^2 + 178390^2 .

It is a cyclic number.

It is not a de Polignac number, because 112003144021 - 2³ = 112003144013 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 112003144021.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (112003174021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56001572010 + 56001572011.

It is an arithmetic number, because the mean of its divisors is an integer number (56001572011).

Almost surely, 2^112003144021 is an apocalyptic number.

It is an amenable number.

112003144021 is a deficient number, since it is larger than the sum of its proper divisors (1).

112003144021 is an equidigital number, since it uses as much as digits as its factorization.

112003144021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 112003144021 its reverse (120441300211), we get a palindrome (232444444232).

The spelling of 112003144021 in words is "one hundred twelve billion, three million, one hundred forty-four thousand, twenty-one".