321203112010003 has 2 divisors, whose sum is σ = 321203112010004. Its totient is φ = 321203112010002.

The previous prime is 321203112009977. The next prime is 321203112010013. The reversal of 321203112010003 is 300010211302123.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 321203112010003 - 2²¹ = 321203109912851 is a prime.

It is not a weakly prime, because it can be changed into another prime (321203112010013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160601556005001 + 160601556005002.

It is an arithmetic number, because the mean of its divisors is an integer number (160601556005002).

Almost surely, 2^{321203112010003} is an apocalyptic number.

321203112010003 is a deficient number, since it is larger than the sum of its proper divisors (1).

321203112010003 is an equidigital number, since it uses as much as digits as its factorization.

321203112010003 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 321203112010003 its reverse (300010211302123), we get a palindrome (621213323312126).

The spelling of 321203112010003 in words is "three hundred twenty-one trillion, two hundred three billion, one hundred twelve million, ten thousand, three".