2102202122212 has 24 divisors (see below), whose sum is σ = 3702480655104. Its totient is φ = 1044372110112.

The previous prime is 2102202122177. The next prime is 2102202122227. The reversal of 2102202122212 is 2122212022012.

It is a self number, because there is not a number n which added to its sum of digits gives 2102202122212.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2310868 + ... + 3089419.

It is an arithmetic number, because the mean of its divisors is an integer number (154270027296).

Almost surely, 2^{2102202122212} is an apocalyptic number.

It is an amenable number.

2102202122212 is a deficient number, since it is larger than the sum of its proper divisors (1600278532892).

2102202122212 is a wasteful number, since it uses less digits than its factorization.

2102202122212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5400915 (or 5400913 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 2102202122212 its reverse (2122212022012), we get a palindrome (4224414144224).

The spelling of 2102202122212 in words is "two trillion, one hundred two billion, two hundred two million, one hundred twenty-two thousand, two hundred twelve".