212102122111222 has 16 divisors (see below), whose sum is σ = 363603859288992. Its totient is φ = 90900854130240.

The previous prime is 212102122111199. The next prime is 212102122111259. The reversal of 212102122111222 is 222111221201212.

It is a junction number, because it is equal to n+sod(n) for n = 212102122111193 and 212102122111202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26387572 + ... + 33473992.

It is an arithmetic number, because the mean of its divisors is an integer number (22725241205562).

Almost surely, 2^{212102122111222} is an apocalyptic number.

212102122111222 is a deficient number, since it is larger than the sum of its proper divisors (151501737177770).

212102122111222 is a wasteful number, since it uses less digits than its factorization.

212102122111222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9224343.

The product of its (nonzero) digits is 256, while the sum is 22.

Adding to 212102122111222 its reverse (222111221201212), we get a palindrome (434213343312434).

The spelling of 212102122111222 in words is "two hundred twelve trillion, one hundred two billion, one hundred twenty-two million, one hundred eleven thousand, two hundred twenty-two".