2212102211202 has 80 divisors (see below), whose sum is σ = 5338736846520. Its totient is φ = 680557448448.

The previous prime is 2212102211201. The next prime is 2212102211233. The reversal of 2212102211202 is 2021122012122.

It is a happy number.

2212102211202 is a `hidden beast` number, since 221 + 21 + 0 + 221 + 1 + 202 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 195108607521 + 2016993603681 = 441711^2 + 1420209^2 .

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

It is not an unprimeable number, because it can be changed into a prime (2212102211201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 16970508 + ... + 17100360.

Almost surely, 2^{2212102211202} is an apocalyptic number.

2212102211202 is an abundant number, since it is smaller than the sum of its proper divisors (3126634635318).

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

2212102211202 is a wasteful number, since it uses less digits than its factorization.

2212102211202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137969 (or 137960 counting only the distinct ones).

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

Adding to 2212102211202 its reverse (2021122012122), we get a palindrome (4233224223324).

The spelling of 2212102211202 in words is "two trillion, two hundred twelve billion, one hundred two million, two hundred eleven thousand, two hundred two".