201021210202222 has 8 divisors (see below), whose sum is σ = 301640397168096. Its totient is φ = 100474411146192.

The previous prime is 201021210202133. The next prime is 201021210202243. The reversal of 201021210202222 is 222202012120102.

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 201021210202222.

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, 18096970518 + ... + 18096981625.

It is an arithmetic number, because the mean of its divisors is an integer number (37705049646012).

Almost surely, 2^{201021210202222} is an apocalyptic number.

201021210202222 is a deficient number, since it is larger than the sum of its proper divisors (100619186965874).

201021210202222 is a wasteful number, since it uses less digits than its factorization.

201021210202222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36193954922.

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

Adding to 201021210202222 its reverse (222202012120102), we get a palindrome (423223222322324).

The spelling of 201021210202222 in words is "two hundred one trillion, twenty-one billion, two hundred ten million, two hundred two thousand, two hundred twenty-two".