2112111202079 has 2 divisors, whose sum is σ = 2112111202080. Its totient is φ = 2112111202078.

The previous prime is 2112111202013. The next prime is 2112111202087. The reversal of 2112111202079 is 9702021112112.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2112111202079 - 2²⁴ = 2112094424863 is a prime.

It is a super-2 number, since 2×2112111202079² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2112111202099) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1056055601039 + 1056055601040.

It is an arithmetic number, because the mean of its divisors is an integer number (1056055601040).

Almost surely, 2^{2112111202079} is an apocalyptic number.

2112111202079 is a deficient number, since it is larger than the sum of its proper divisors (1).

2112111202079 is an equidigital number, since it uses as much as digits as its factorization.

2112111202079 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 29.

The spelling of 2112111202079 in words is "two trillion, one hundred twelve billion, one hundred eleven million, two hundred two thousand, seventy-nine".