2212110221999 has 2 divisors, whose sum is σ = 2212110222000. Its totient is φ = 2212110221998.

The previous prime is 2212110221947. The next prime is 2212110222011. The reversal of 2212110221999 is 9991220112122.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2212110221999 - 2⁸ = 2212110221743 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2212140221999) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1106055110999 + 1106055111000.

It is an arithmetic number, because the mean of its divisors is an integer number (1106055111000).

Almost surely, 2^{2212110221999} is an apocalyptic number.

2212110221999 is a deficient number, since it is larger than the sum of its proper divisors (1).

2212110221999 is an equidigital number, since it uses as much as digits as its factorization.

2212110221999 is an evil number, because the sum of its binary digits is even.

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

The spelling of 2212110221999 in words is "two trillion, two hundred twelve billion, one hundred ten million, two hundred twenty-one thousand, nine hundred ninety-nine".