21202110000200 has 24 divisors (see below), whose sum is σ = 49294905750930. Its totient is φ = 8480844000000.

The previous prime is 21202110000161. The next prime is 21202110000257. The reversal of 21202110000200 is 200001120212.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 14604825283876 + 6597284716324 = 3821626^2 + 2568518^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 53005274801 + ... + 53005275200.

Almost surely, 2^{21202110000200} is an apocalyptic number.

21202110000200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

21202110000200 is an abundant number, since it is smaller than the sum of its proper divisors (28092795750730).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

21202110000200 is a wasteful number, since it uses less digits than its factorization.

21202110000200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106010550017 (or 106010550008 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 21202110000200 its reverse (200001120212), we get a palindrome (21402111120412).

The spelling of 21202110000200 in words is "twenty-one trillion, two hundred two billion, one hundred ten million, two hundred", and thus it is an aban number.