1120012021243 has 2 divisors, whose sum is σ = 1120012021244. Its totient is φ = 1120012021242.

The previous prime is 1120012021181. The next prime is 1120012021267. The reversal of 1120012021243 is 3421202100211.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1120012021243 - 2¹³ = 1120012013051 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1120012021243.

It is not a weakly prime, because it can be changed into another prime (1120012021943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 560006010621 + 560006010622.

It is an arithmetic number, because the mean of its divisors is an integer number (560006010622).

Almost surely, 2^{1120012021243} is an apocalyptic number.

1120012021243 is a deficient number, since it is larger than the sum of its proper divisors (1).

1120012021243 is an equidigital number, since it uses as much as digits as its factorization.

1120012021243 is an odious number, because the sum of its binary digits is odd.

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

Adding to 1120012021243 its reverse (3421202100211), we get a palindrome (4541214121454).

The spelling of 1120012021243 in words is "one trillion, one hundred twenty billion, twelve million, twenty-one thousand, two hundred forty-three".