2001021100010 has 16 divisors (see below), whose sum is σ = 3813710802696. Its totient is φ = 753325590528.

The previous prime is 2001021100009. The next prime is 2001021100021. The reversal of 2001021100010 is 100011201002.

It can be written as a sum of positive squares in 4 ways, for example, as 1836130691521 + 164890408489 = 1355039^2 + 406067^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5885356007 + ... + 5885356346.

Almost surely, 2^{2001021100010} is an apocalyptic number.

2001021100010 is a deficient number, since it is larger than the sum of its proper divisors (1812689702686).

2001021100010 is a wasteful number, since it uses less digits than its factorization.

2001021100010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11770712377.

The product of its (nonzero) digits is 4, while the sum is 8.

Adding to 2001021100010 its reverse (100011201002), we get a palindrome (2101032301012).

The spelling of 2001021100010 in words is "two trillion, one billion, twenty-one million, one hundred thousand, ten".