321101201011 has 2 divisors, whose sum is σ = 321101201012. Its totient is φ = 321101201010.

The previous prime is 321101200991. The next prime is 321101201021. The reversal of 321101201011 is 110102101123.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 321101201011 - 2⁹ = 321101200499 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 321101200982 and 321101201000.

It is not a weakly prime, because it can be changed into another prime (321101201021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160550600505 + 160550600506.

It is an arithmetic number, because the mean of its divisors is an integer number (160550600506).

Almost surely, 2^321101201011 is an apocalyptic number.

321101201011 is a deficient number, since it is larger than the sum of its proper divisors (1).

321101201011 is an equidigital number, since it uses as much as digits as its factorization.

321101201011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12, while the sum is 13.

Adding to 321101201011 its reverse (110102101123), we get a palindrome (431203302134).

The spelling of 321101201011 in words is "three hundred twenty-one billion, one hundred one million, two hundred one thousand, eleven".