210022221020021 has 8 divisors (see below), whose sum is σ = 214502027969280. Its totient is φ = 205542882781488.

The previous prime is 210022221020011. The next prime is 210022221020047. The reversal of 210022221020021 is 120020122220012.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 210022221020021 - 2⁶ = 210022221019957 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210022221020011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 116271881 + ... + 118064366.

It is an arithmetic number, because the mean of its divisors is an integer number (26812753496160).

Almost surely, 2^{210022221020021} is an apocalyptic number.

It is an amenable number.

210022221020021 is a deficient number, since it is larger than the sum of its proper divisors (4479806949259).

210022221020021 is a wasteful number, since it uses less digits than its factorization.

210022221020021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 234355363.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 210022221020021 its reverse (120020122220012), we get a palindrome (330042343240033).

The spelling of 210022221020021 in words is "two hundred ten trillion, twenty-two billion, two hundred twenty-one million, twenty thousand, twenty-one".