1321030003211 has 2 divisors, whose sum is σ = 1321030003212. Its totient is φ = 1321030003210.

The previous prime is 1321030003207. The next prime is 1321030003243. The reversal of 1321030003211 is 1123000301231.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1321030003211 - 2² = 1321030003207 is a prime.

It is a super-3 number, since 3×1321030003211³ (a number of 37 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1321030003211.

It is not a weakly prime, because it can be changed into another prime (1321030203211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 660515001605 + 660515001606.

It is an arithmetic number, because the mean of its divisors is an integer number (660515001606).

Almost surely, 2^{1321030003211} is an apocalyptic number.

1321030003211 is a deficient number, since it is larger than the sum of its proper divisors (1).

1321030003211 is an equidigital number, since it uses as much as digits as its factorization.

1321030003211 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 1321030003211 its reverse (1123000301231), we get a palindrome (2444030304442).

The spelling of 1321030003211 in words is "one trillion, three hundred twenty-one billion, thirty million, three thousand, two hundred eleven".