2102211222112 has 24 divisors (see below), whose sum is σ = 4159525986000. Its totient is φ = 1045823670144.

The previous prime is 2102211222109. The next prime is 2102211222113. The reversal of 2102211222112 is 2112221122012.

It is a self number, because there is not a number n which added to its sum of digits gives 2102211222112.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2102211222113) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 165054187 + ... + 165066922.

It is an arithmetic number, because the mean of its divisors is an integer number (173313582750).

Almost surely, 2^{2102211222112} is an apocalyptic number.

It is an amenable number.

2102211222112 is a deficient number, since it is larger than the sum of its proper divisors (2057314763888).

2102211222112 is a wasteful number, since it uses less digits than its factorization.

2102211222112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 330121318 (or 330121310 counting only the distinct ones).

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

Adding to 2102211222112 its reverse (2112221122012), we get a palindrome (4214432344124).

The spelling of 2102211222112 in words is "two trillion, one hundred two billion, two hundred eleven million, two hundred twenty-two thousand, one hundred twelve".