10212111220079 has 2 divisors, whose sum is σ = 10212111220080. Its totient is φ = 10212111220078.

The previous prime is 10212111220049. The next prime is 10212111220123. The reversal of 10212111220079 is 97002211121201.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 10212111220079 - 2⁸ = 10212111219823 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10212111220049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5106055610039 + 5106055610040.

It is an arithmetic number, because the mean of its divisors is an integer number (5106055610040).

Almost surely, 2^{10212111220079} is an apocalyptic number.

10212111220079 is a deficient number, since it is larger than the sum of its proper divisors (1).

10212111220079 is an equidigital number, since it uses as much as digits as its factorization.

10212111220079 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 29.

The spelling of 10212111220079 in words is "ten trillion, two hundred twelve billion, one hundred eleven million, two hundred twenty thousand, seventy-nine".