210021201022222 has 8 divisors (see below), whose sum is σ = 320371323593400. Its totient is φ = 103230759824424.

The previous prime is 210021201022201. The next prime is 210021201022277. The reversal of 210021201022222 is 222220102120012.

210021201022222 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.

It is a self number, because there is not a number n which added to its sum of digits gives 210021201022222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 889920343197 + ... + 889920343432.

It is an arithmetic number, because the mean of its divisors is an integer number (40046415449175).

Almost surely, 2^{210021201022222} is an apocalyptic number.

210021201022222 is a deficient number, since it is larger than the sum of its proper divisors (110350122571178).

210021201022222 is a wasteful number, since it uses less digits than its factorization.

210021201022222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1779840686690.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 210021201022222 its reverse (222220102120012), we get a palindrome (432241303142234).

The spelling of 210021201022222 in words is "two hundred ten trillion, twenty-one billion, two hundred one million, twenty-two thousand, two hundred twenty-two".