1042231221203 has 2 divisors, whose sum is σ = 1042231221204. Its totient is φ = 1042231221202.

The previous prime is 1042231221179. The next prime is 1042231221209. The reversal of 1042231221203 is 3021221322401.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1042231221203 - 2¹⁸ = 1042230959059 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (1042231221209) 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, 521115610601 + 521115610602.

It is an arithmetic number, because the mean of its divisors is an integer number (521115610602).

Almost surely, 2^{1042231221203} is an apocalyptic number.

1042231221203 is a deficient number, since it is larger than the sum of its proper divisors (1).

1042231221203 is an equidigital number, since it uses as much as digits as its factorization.

1042231221203 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 1042231221203 its reverse (3021221322401), we get a palindrome (4063452543604).

The spelling of 1042231221203 in words is "one trillion, forty-two billion, two hundred thirty-one million, two hundred twenty-one thousand, two hundred three".