2212102120202 has 24 divisors (see below), whose sum is σ = 3593262304620. Its totient is φ = 1020904135680.

The previous prime is 2212102120199. The next prime is 2212102120211. The reversal of 2212102120202 is 2020212012122.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 1441644961 + 2210660475241 = 37969^2 + 1486829^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5224874 + ... + 5632362.

Almost surely, 2^{2212102120202} is an apocalyptic number.

2212102120202 is a deficient number, since it is larger than the sum of its proper divisors (1381160184418).

2212102120202 is a wasteful number, since it uses less digits than its factorization.

2212102120202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 423578 (or 423565 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 2212102120202 its reverse (2020212012122), we get a palindrome (4232314132324).

The spelling of 2212102120202 in words is "two trillion, two hundred twelve billion, one hundred two million, one hundred twenty thousand, two hundred two".