21000333313202 has 16 divisors (see below), whose sum is σ = 33659465704920. Its totient is φ = 9791844565248.

The previous prime is 21000333313189. The next prime is 21000333313259. The reversal of 21000333313202 is 20231333300012.

It can be written as a sum of positive squares in 4 ways, for example, as 20874216706561 + 126116606641 = 4568831^2 + 355129^2 .

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, 2833284653 + ... + 2833292064.

Almost surely, 2^{21000333313202} is an apocalyptic number.

21000333313202 is a deficient number, since it is larger than the sum of its proper divisors (12659132391718).

21000333313202 is a wasteful number, since it uses less digits than its factorization.

21000333313202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5666576845.

The product of its (nonzero) digits is 1944, while the sum is 23.

Adding to 21000333313202 its reverse (20231333300012), we get a palindrome (41231666613214).

The spelling of 21000333313202 in words is "twenty-one trillion, three hundred thirty-three million, three hundred thirteen thousand, two hundred two".