212201011122222 has 8 divisors (see below), whose sum is σ = 424402022244456. Its totient is φ = 70733670374072.

The previous prime is 212201011122203. The next prime is 212201011122271. The reversal of 212201011122222 is 222221110102212.

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

212201011122222 is an admirable number.

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, 17683417593513 + ... + 17683417593524.

It is an arithmetic number, because the mean of its divisors is an integer number (53050252780557).

Almost surely, 2^{212201011122222} is an apocalyptic number.

212201011122222 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.

212201011122222 is a wasteful number, since it uses less digits than its factorization.

212201011122222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35366835187042.

The product of its (nonzero) digits is 256, while the sum is 21.

Adding to 212201011122222 its reverse (222221110102212), we get a palindrome (434422121224434).

The spelling of 212201011122222 in words is "two hundred twelve trillion, two hundred one billion, eleven million, one hundred twenty-two thousand, two hundred twenty-two".