21000202202 has 8 divisors (see below), whose sum is σ = 36000346656. Its totient is φ = 9000086652.

The previous prime is 21000202169. The next prime is 21000202213. The reversal of 21000202202 is 20220200012.

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

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, 750007208 + ... + 750007235.

It is an arithmetic number, because the mean of its divisors is an integer number (4500043332).

Almost surely, 2^21000202202 is an apocalyptic number.

21000202202 is a deficient number, since it is larger than the sum of its proper divisors (15000144454).

21000202202 is a wasteful number, since it uses less digits than its factorization.

21000202202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1500014452.

The product of its (nonzero) digits is 32, while the sum is 11.

Adding to 21000202202 its reverse (20220200012), we get a palindrome (41220402214).

The spelling of 21000202202 in words is "twenty-one billion, two hundred two thousand, two hundred two".