2112002222111 has 2 divisors, whose sum is σ = 2112002222112. Its totient is φ = 2112002222110.

The previous prime is 2112002222101. The next prime is 2112002222123. The reversal of 2112002222111 is 1112222002112.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2112002222111 is a prime.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2112002222111.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2112002222101) 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 as a sum of consecutive naturals, namely, 1056001111055 + 1056001111056.

It is an arithmetic number, because the mean of its divisors is an integer number (1056001111056).

Almost surely, 2^{2112002222111} is an apocalyptic number.

2112002222111 is a deficient number, since it is larger than the sum of its proper divisors (1).

2112002222111 is an equidigital number, since it uses as much as digits as its factorization.

2112002222111 is an odious number, because the sum of its binary digits is odd.

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

Adding to 2112002222111 its reverse (1112222002112), we get a palindrome (3224224224223).

The spelling of 2112002222111 in words is "two trillion, one hundred twelve billion, two million, two hundred twenty-two thousand, one hundred eleven".