210021221022 has 8 divisors (see below), whose sum is σ = 420042442056. Its totient is φ = 70007073672.

The previous prime is 210021221009. The next prime is 210021221071. The reversal of 210021221022 is 220122120012.

210021221022 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

210021221022 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 210021220992 and 210021221010.

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, 17501768413 + ... + 17501768424.

It is an arithmetic number, because the mean of its divisors is an integer number (52505305257).

Almost surely, 2^210021221022 is an apocalyptic number.

210021221022 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

210021221022 is a wasteful number, since it uses less digits than its factorization.

210021221022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35003536842.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 210021221022 its reverse (220122120012), we get a palindrome (430143341034).

The spelling of 210021221022 in words is "two hundred ten billion, twenty-one million, two hundred twenty-one thousand, twenty-two".