212000111122222 has 8 divisors (see below), whose sum is σ = 318171042651672. Its totient is φ = 105943096905000.

The previous prime is 212000111122193. The next prime is 212000111122237. The reversal of 212000111122222 is 222221111000212.

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

It is a super-2 number, since 2×212000111122222² (a number of 29 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 212000111122222.

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, 28479323404 + ... + 28479330847.

It is an arithmetic number, because the mean of its divisors is an integer number (39771380331459).

Almost surely, 2^{212000111122222} is an apocalyptic number.

212000111122222 is a deficient number, since it is larger than the sum of its proper divisors (106170931529450).

212000111122222 is a wasteful number, since it uses less digits than its factorization.

212000111122222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56958656114.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 212000111122222 its reverse (222221111000212), we get a palindrome (434221222122434).

The spelling of 212000111122222 in words is "two hundred twelve trillion, one hundred eleven million, one hundred twenty-two thousand, two hundred twenty-two".