210021201222202 has 4 divisors (see below), whose sum is σ = 315031801833306. Its totient is φ = 105010600611100.

The previous prime is 210021201222191. The next prime is 210021201222221. The reversal of 210021201222202 is 202222102120012.

210021201222202 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 188173345381641 + 21847855840561 = 13717629^2 + 4674169^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 210021201222202.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52505300305549 + ... + 52505300305552.

Almost surely, 2^{210021201222202} is an apocalyptic number.

210021201222202 is a deficient number, since it is larger than the sum of its proper divisors (105010600611104).

210021201222202 is a wasteful number, since it uses less digits than its factorization.

210021201222202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105010600611103.

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

Adding to 210021201222202 its reverse (202222102120012), we get a palindrome (412243303342214).

The spelling of 210021201222202 in words is "two hundred ten trillion, twenty-one billion, two hundred one million, two hundred twenty-two thousand, two hundred two".