212111323112222 has 32 divisors (see below), whose sum is σ = 326215195375104. Its totient is φ = 103405920948000.

The previous prime is 212111323112189. The next prime is 212111323112233. The reversal of 212111323112222 is 222211323111212.

It is a junction number, because it is equal to n+sod(n) for n = 212111323112191 and 212111323112200.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40731263 + ... + 45642725.

It is an arithmetic number, because the mean of its divisors is an integer number (10194224855472).

Almost surely, 2^{212111323112222} is an apocalyptic number.

212111323112222 is a deficient number, since it is larger than the sum of its proper divisors (114103872262882).

212111323112222 is a wasteful number, since it uses less digits than its factorization.

212111323112222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4914824.

The product of its digits is 1152, while the sum is 26.

Adding to 212111323112222 its reverse (222211323111212), we get a palindrome (434322646223434).

The spelling of 212111323112222 in words is "two hundred twelve trillion, one hundred eleven billion, three hundred twenty-three million, one hundred twelve thousand, two hundred twenty-two".