1021004342203 has 2 divisors, whose sum is σ = 1021004342204. Its totient is φ = 1021004342202.

The previous prime is 1021004342191. The next prime is 1021004342213. The reversal of 1021004342203 is 3022434001201.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1021004342203 is a prime.

It is not a weakly prime, because it can be changed into another prime (1021004342213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 510502171101 + 510502171102.

It is an arithmetic number, because the mean of its divisors is an integer number (510502171102).

Almost surely, 2^{1021004342203} is an apocalyptic number.

1021004342203 is a deficient number, since it is larger than the sum of its proper divisors (1).

1021004342203 is an equidigital number, since it uses as much as digits as its factorization.

1021004342203 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 22.

Adding to 1021004342203 its reverse (3022434001201), we get a palindrome (4043438343404).

The spelling of 1021004342203 in words is "one trillion, twenty-one billion, four million, three hundred forty-two thousand, two hundred three".