10021221206 has 8 divisors (see below), whose sum is σ = 15041706264. Its totient is φ = 5007319120.

The previous prime is 10021221191. The next prime is 10021221239. The reversal of 10021221206 is 60212212001.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1641935 + ... + 1648026.

It is an arithmetic number, because the mean of its divisors is an integer number (1880213283).

Almost surely, 2^10021221206 is an apocalyptic number.

10021221206 is a deficient number, since it is larger than the sum of its proper divisors (5020485058).

10021221206 is a wasteful number, since it uses less digits than its factorization.

10021221206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3291486.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 10021221206 its reverse (60212212001), we get a palindrome (70233433207).

The spelling of 10021221206 in words is "ten billion, twenty-one million, two hundred twenty-one thousand, two hundred six".