331020200121002 has 64 divisors (see below), whose sum is σ = 610211646305280. Its totient is φ = 131441535219456.

The previous prime is 331020200120999. The next prime is 331020200121029. The reversal of 331020200121002 is 200121002020133.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is an unprimeable number.

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 in 31 ways as a sum of consecutive naturals, for example, 17470649 + ... + 31100867.

It is an arithmetic number, because the mean of its divisors is an integer number (9534556973520).

Almost surely, 2^{331020200121002} is an apocalyptic number.

331020200121002 is a deficient number, since it is larger than the sum of its proper divisors (279191446184278).

331020200121002 is a wasteful number, since it uses less digits than its factorization.

331020200121002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13631835.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 331020200121002 its reverse (200121002020133), we get a palindrome (531141202141135).

The spelling of 331020200121002 in words is "three hundred thirty-one trillion, twenty billion, two hundred million, one hundred twenty-one thousand, two".