2001321332202 has 8 divisors (see below), whose sum is σ = 4002642664416. Its totient is φ = 667107110732.

The previous prime is 2001321332189. The next prime is 2001321332221. The reversal of 2001321332202 is 2022331231002.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

2001321332202 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 166776777678 + ... + 166776777689.

It is an arithmetic number, because the mean of its divisors is an integer number (500330333052).

Almost surely, 2^{2001321332202} is an apocalyptic number.

2001321332202 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2001321332202 is a wasteful number, since it uses less digits than its factorization.

2001321332202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 333553555372.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 2001321332202 its reverse (2022331231002), we get a palindrome (4023652563204).

The spelling of 2001321332202 in words is "two trillion, one billion, three hundred twenty-one million, three hundred thirty-two thousand, two hundred two".