21010010000222 has 8 divisors (see below), whose sum is σ = 31627168079472. Its totient is φ = 10467620640400.

The previous prime is 21010010000141. The next prime is 21010010000227. The reversal of 21010010000222 is 22200001001012.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21010010000227) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18692179154 + ... + 18692180277.

It is an arithmetic number, because the mean of its divisors is an integer number (3953396009934).

Almost surely, 2^{21010010000222} is an apocalyptic number.

21010010000222 is a deficient number, since it is larger than the sum of its proper divisors (10617158079250).

21010010000222 is a wasteful number, since it uses less digits than its factorization.

21010010000222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37384359714.

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

Adding to 21010010000222 its reverse (22200001001012), we get a palindrome (43210011001234).

The spelling of 21010010000222 in words is "twenty-one trillion, ten billion, ten million, two hundred twenty-two", and thus it is an aban number.