321020514011 has 2 divisors, whose sum is σ = 321020514012. Its totient is φ = 321020514010.

The previous prime is 321020513993. The next prime is 321020514077. The reversal of 321020514011 is 110415020123.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 321020514011 - 2¹⁴ = 321020497627 is a prime.

It is not a weakly prime, because it can be changed into another prime (321020514211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160510257005 + 160510257006.

It is an arithmetic number, because the mean of its divisors is an integer number (160510257006).

Almost surely, 2^321020514011 is an apocalyptic number.

321020514011 is a deficient number, since it is larger than the sum of its proper divisors (1).

321020514011 is an equidigital number, since it uses as much as digits as its factorization.

321020514011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 240, while the sum is 20.

Adding to 321020514011 its reverse (110415020123), we get a palindrome (431435534134).

The spelling of 321020514011 in words is "three hundred twenty-one billion, twenty million, five hundred fourteen thousand, eleven".