212111120222 has 8 divisors (see below), whose sum is σ = 318222408672. Its totient is φ = 106036984000.

The previous prime is 212111120213. The next prime is 212111120261. The reversal of 212111120222 is 222021111212.

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

It is a super-2 number, since 2×212111120222² (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 212111120222.

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, 9273779 + ... + 9296622.

It is an arithmetic number, because the mean of its divisors is an integer number (39777801084).

Almost surely, 2^212111120222 is an apocalyptic number.

212111120222 is a deficient number, since it is larger than the sum of its proper divisors (106111288450).

212111120222 is a wasteful number, since it uses less digits than its factorization.

212111120222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18576114.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 212111120222 its reverse (222021111212), we get a palindrome (434132231434).

The spelling of 212111120222 in words is "two hundred twelve billion, one hundred eleven million, one hundred twenty thousand, two hundred twenty-two".