212022020222 has 4 divisors (see below), whose sum is σ = 318033030336. Its totient is φ = 106011010110.

The previous prime is 212022020209. The next prime is 212022020269. The reversal of 212022020222 is 222020220212.

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

It is a self number, because there is not a number n which added to its sum of digits gives 212022020222.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53005505054 + ... + 53005505057.

It is an arithmetic number, because the mean of its divisors is an integer number (79508257584).

Almost surely, 2^212022020222 is an apocalyptic number.

212022020222 is a deficient number, since it is larger than the sum of its proper divisors (106011010114).

212022020222 is a wasteful number, since it uses less digits than its factorization.

212022020222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106011010113.

The product of its (nonzero) digits is 256, while the sum is 17.

Adding to 212022020222 its reverse (222020220212), we get a palindrome (434042240434).

The spelling of 212022020222 in words is "two hundred twelve billion, twenty-two million, twenty thousand, two hundred twenty-two".