2212102011222 has 36 divisors (see below), whose sum is σ = 5010334413084. Its totient is φ = 705307884600.

The previous prime is 2212102011187. The next prime is 2212102011253. The reversal of 2212102011222 is 2221102012122.

It is a happy number.

2212102011222 is a `hidden beast` number, since 221 + 21 + 0 + 201 + 1 + 222 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 2212102011195 and 2212102011204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 116147904 + ... + 116166947.

It is an arithmetic number, because the mean of its divisors is an integer number (139175955919).

Almost surely, 2^{2212102011222} is an apocalyptic number.

2212102011222 is an abundant number, since it is smaller than the sum of its proper divisors (2798232401862).

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

2212102011222 is a wasteful number, since it uses less digits than its factorization.

2212102011222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 232314905 (or 232314879 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 2212102011222 its reverse (2221102012122), we get a palindrome (4433204023344).

The spelling of 2212102011222 in words is "two trillion, two hundred twelve billion, one hundred two million, eleven thousand, two hundred twenty-two".