2021010100010 has 24 divisors (see below), whose sum is σ = 3998593539108. Its totient is φ = 734912763200.

The previous prime is 2021010100009. The next prime is 2021010100033. The reversal of 2021010100010 is 100010101202.

It can be written as a sum of positive squares in 2 ways, for example, as 1664334788281 + 356675311729 = 1290091^2 + 597223^2 .

It is a Curzon number.

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 11 ways as a sum of consecutive naturals, for example, 835126931 + ... + 835129350.

Almost surely, 2^{2021010100010} is an apocalyptic number.

2021010100010 is a deficient number, since it is larger than the sum of its proper divisors (1977583439098).

2021010100010 is a wasteful number, since it uses less digits than its factorization.

2021010100010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1670256310 (or 1670256299 counting only the distinct ones).

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

Adding to 2021010100010 its reverse (100010101202), we get a palindrome (2121020201212).

The spelling of 2021010100010 in words is "two trillion, twenty-one billion, ten million, one hundred thousand, ten".