330131220111001 has 4 divisors (see below), whose sum is σ = 333840559662900. Its totient is φ = 326421880559104.

The previous prime is 330131220110987. The next prime is 330131220111013. The reversal of 330131220111001 is 100111022131033.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 175879291278601 + 154251928832400 = 13261949^2 + 12419820^2 .

It is a cyclic number.

It is not a de Polignac number, because 330131220111001 - 2¹⁹ = 330131219586713 is a prime.

It is a super-2 number, since 2×330131220111001² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 330131220111001.

It is not an unprimeable number, because it can be changed into a prime (330131220111041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1854669775816 + ... + 1854669775993.

It is an arithmetic number, because the mean of its divisors is an integer number (83460139915725).

Almost surely, 2^{330131220111001} is an apocalyptic number.

It is an amenable number.

330131220111001 is a deficient number, since it is larger than the sum of its proper divisors (3709339551899).

330131220111001 is an equidigital number, since it uses as much as digits as its factorization.

330131220111001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3709339551898.

The product of its (nonzero) digits is 108, while the sum is 19.

Adding to 330131220111001 its reverse (100111022131033), we get a palindrome (430242242242034).

The spelling of 330131220111001 in words is "three hundred thirty trillion, one hundred thirty-one billion, two hundred twenty million, one hundred eleven thousand, one".