212100221001079 has 2 divisors, whose sum is σ = 212100221001080. Its totient is φ = 212100221001078.

The previous prime is 212100221001073. The next prime is 212100221001181. The reversal of 212100221001079 is 970100122001212.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 212100221001079 - 2⁹ = 212100221000567 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (212100221001073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106050110500539 + 106050110500540.

It is an arithmetic number, because the mean of its divisors is an integer number (106050110500540).

Almost surely, 2^{212100221001079} is an apocalyptic number.

212100221001079 is a deficient number, since it is larger than the sum of its proper divisors (1).

212100221001079 is an equidigital number, since it uses as much as digits as its factorization.

212100221001079 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1008, while the sum is 28.

The spelling of 212100221001079 in words is "two hundred twelve trillion, one hundred billion, two hundred twenty-one million, one thousand, seventy-nine".