212102210202222 has 64 divisors (see below), whose sum is σ = 448357281868800. Its totient is φ = 66782314784640.

The previous prime is 212102210202203. The next prime is 212102210202293. The reversal of 212102210202222 is 222202012201212.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14025429 + ... + 24918207.

It is an arithmetic number, because the mean of its divisors is an integer number (7005582529200).

Almost surely, 2^{212102210202222} is an apocalyptic number.

212102210202222 is an abundant number, since it is smaller than the sum of its proper divisors (236255071666578).

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

212102210202222 is a wasteful number, since it uses less digits than its factorization.

212102210202222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10895241.

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 212102210202222 its reverse (222202012201212), we get a palindrome (434304222403434).

The spelling of 212102210202222 in words is "two hundred twelve trillion, one hundred two billion, two hundred ten million, two hundred two thousand, two hundred twenty-two".