212121211111079 has 2 divisors, whose sum is σ = 212121211111080. Its totient is φ = 212121211111078.

The previous prime is 212121211111049. The next prime is 212121211111109. The reversal of 212121211111079 is 970111112121212.

It is a balanced prime because it is at equal distance from previous prime (212121211111049) and next prime (212121211111109).

It is a cyclic number.

It is not a de Polignac number, because 212121211111079 - 2³⁶ = 212052491634343 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (212121211111009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106060605555539 + 106060605555540.

It is an arithmetic number, because the mean of its divisors is an integer number (106060605555540).

Almost surely, 2^{212121211111079} is an apocalyptic number.

212121211111079 is a deficient number, since it is larger than the sum of its proper divisors (1).

212121211111079 is an equidigital number, since it uses as much as digits as its factorization.

212121211111079 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1008, while the sum is 32.

The spelling of 212121211111079 in words is "two hundred twelve trillion, one hundred twenty-one billion, two hundred eleven million, one hundred eleven thousand, seventy-nine".