2112100121071 has 2 divisors, whose sum is σ = 2112100121072. Its totient is φ = 2112100121070.

The previous prime is 2112100121029. The next prime is 2112100121119. The reversal of 2112100121071 is 1701210012112.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2112100121071 - 2¹³ = 2112100112879 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2112109121071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1056050060535 + 1056050060536.

It is an arithmetic number, because the mean of its divisors is an integer number (1056050060536).

Almost surely, 2^{2112100121071} is an apocalyptic number.

2112100121071 is a deficient number, since it is larger than the sum of its proper divisors (1).

2112100121071 is an equidigital number, since it uses as much as digits as its factorization.

2112100121071 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 56, while the sum is 19.

Adding to 2112100121071 its reverse (1701210012112), we get a palindrome (3813310133183).

The spelling of 2112100121071 in words is "two trillion, one hundred twelve billion, one hundred million, one hundred twenty-one thousand, seventy-one".