21333312202 has 8 divisors (see below), whose sum is σ = 32039525700. Its totient is φ = 10653470304.

The previous prime is 21333312151. The next prime is 21333312251. The reversal of 21333312202 is 20221333312.

It can be written as a sum of positive squares in 2 ways, for example, as 17979859921 + 3353452281 = 134089^2 + 57909^2 .

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

It is a super-2 number, since 2×21333312202² (a number of 21 digits) contains 22 as substring.

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, 6590877 + ... + 6594112.

Almost surely, 2^21333312202 is an apocalyptic number.

21333312202 is a deficient number, since it is larger than the sum of its proper divisors (10706213498).

21333312202 is a wasteful number, since it uses less digits than its factorization.

21333312202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13185800.

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 21333312202 its reverse (20221333312), we get a palindrome (41554645514).

The spelling of 21333312202 in words is "twenty-one billion, three hundred thirty-three million, three hundred twelve thousand, two hundred two".