22102222011212 has 48 divisors (see below), whose sum is σ = 44236355929920. Its totient is φ = 9465543816192.

The previous prime is 22102222011203. The next prime is 22102222011253. The reversal of 22102222011212 is 21211022220122.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 625168928 + ... + 625204280.

It is an arithmetic number, because the mean of its divisors is an integer number (921590748540).

Almost surely, 2^{22102222011212} is an apocalyptic number.

It is an amenable number.

22102222011212 is an abundant number, since it is smaller than the sum of its proper divisors (22134133918708).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22102222011212 is a wasteful number, since it uses less digits than its factorization.

22102222011212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50850 (or 50848 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 22102222011212 its reverse (21211022220122), we get a palindrome (43313244231334).

The spelling of 22102222011212 in words is "twenty-two trillion, one hundred two billion, two hundred twenty-two million, eleven thousand, two hundred twelve".