2122012211999 has 2 divisors, whose sum is σ = 2122012212000. Its totient is φ = 2122012211998.

The previous prime is 2122012211941. The next prime is 2122012212011. The reversal of 2122012211999 is 9991122102212.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2122012211999 - 2⁸ = 2122012211743 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2122012211399) 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, 1061006105999 + 1061006106000.

It is an arithmetic number, because the mean of its divisors is an integer number (1061006106000).

Almost surely, 2^{2122012211999} is an apocalyptic number.

2122012211999 is a deficient number, since it is larger than the sum of its proper divisors (1).

2122012211999 is an equidigital number, since it uses as much as digits as its factorization.

2122012211999 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 23328, while the sum is 41.

The spelling of 2122012211999 in words is "two trillion, one hundred twenty-two billion, twelve million, two hundred eleven thousand, nine hundred ninety-nine".