2112122202011 has 6 divisors (see below), whose sum is σ = 2162383630020. Its totient is φ = 2063003079228.

The previous prime is 2112122201989. The next prime is 2112122202013. The reversal of 2112122202011 is 1102022212112.

It is not a de Polignac number, because 2112122202011 - 2³⁸ = 1837244295067 is a prime.

It is a super-2 number, since 2×2112122202011² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2112122202013) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 571150721 + ... + 571154418.

It is an arithmetic number, because the mean of its divisors is an integer number (360397271670).

Almost surely, 2^{2112122202011} is an apocalyptic number.

2112122202011 is a deficient number, since it is larger than the sum of its proper divisors (50261428009).

2112122202011 is an equidigital number, since it uses as much as digits as its factorization.

2112122202011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1142305225 (or 1142305182 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 2112122202011 its reverse (1102022212112), we get a palindrome (3214144414123).

The spelling of 2112122202011 in words is "two trillion, one hundred twelve billion, one hundred twenty-two million, two hundred two thousand, eleven".