212023102222 has 4 divisors (see below), whose sum is σ = 318034653336. Its totient is φ = 106011551110.

The previous prime is 212023102219. The next prime is 212023102229. The reversal of 212023102222 is 222201320212.

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

It is a super-2 number, since 2×212023102222² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 212023102222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212023102229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53005775554 + ... + 53005775557.

It is an arithmetic number, because the mean of its divisors is an integer number (79508663334).

Almost surely, 2^212023102222 is an apocalyptic number.

212023102222 is a deficient number, since it is larger than the sum of its proper divisors (106011551114).

212023102222 is a wasteful number, since it uses less digits than its factorization.

212023102222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106011551113.

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 212023102222 its reverse (222201320212), we get a palindrome (434224422434).

The spelling of 212023102222 in words is "two hundred twelve billion, twenty-three million, one hundred two thousand, two hundred twenty-two".