1421313221203 has 2 divisors, whose sum is σ = 1421313221204. Its totient is φ = 1421313221202.

The previous prime is 1421313221179. The next prime is 1421313221221. The reversal of 1421313221203 is 3021223131241.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1421313221203 is a prime.

It is not a weakly prime, because it can be changed into another prime (1421313251203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 710656610601 + 710656610602.

It is an arithmetic number, because the mean of its divisors is an integer number (710656610602).

Almost surely, 2^{1421313221203} is an apocalyptic number.

1421313221203 is a deficient number, since it is larger than the sum of its proper divisors (1).

1421313221203 is an equidigital number, since it uses as much as digits as its factorization.

1421313221203 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 1421313221203 its reverse (3021223131241), we get a palindrome (4442536352444).

The spelling of 1421313221203 in words is "one trillion, four hundred twenty-one billion, three hundred thirteen million, two hundred twenty-one thousand, two hundred three".