2001021100132 has 6 divisors (see below), whose sum is σ = 3501786925238. Its totient is φ = 1000510550064.

The previous prime is 2001021100121. The next prime is 2001021100181. The reversal of 2001021100132 is 2310011201002.

It can be written as a sum of positive squares in only one way, i.e., 1176804057636 + 824217042496 = 1084806^2 + 907864^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 250127637513 + ... + 250127637520.

Almost surely, 2^{2001021100132} is an apocalyptic number.

It is an amenable number.

2001021100132 is a deficient number, since it is larger than the sum of its proper divisors (1500765825106).

2001021100132 is a wasteful number, since it uses less digits than its factorization.

2001021100132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 500255275037 (or 500255275035 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 2001021100132 its reverse (2310011201002), we get a palindrome (4311032301134).

The spelling of 2001021100132 in words is "two trillion, one billion, twenty-one million, one hundred thousand, one hundred thirty-two".