2112510971 has 2 divisors, whose sum is σ = 2112510972. Its totient is φ = 2112510970.

The previous prime is 2112510929. The next prime is 2112510973. The reversal of 2112510971 is 1790152112.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2112510971 is a prime.

Together with 2112510973, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (2112510973) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1056255485 + 1056255486.

It is an arithmetic number, because the mean of its divisors is an integer number (1056255486).

Almost surely, 2^2112510971 is an apocalyptic number.

2112510971 is a deficient number, since it is larger than the sum of its proper divisors (1).

2112510971 is an equidigital number, since it uses as much as digits as its factorization.

2112510971 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1260, while the sum is 29.

The square root of 2112510971 is about 45962.0601257167. The cubic root of 2112510971 is about 1283.1171931642.

The spelling of 2112510971 in words is "two billion, one hundred twelve million, five hundred ten thousand, nine hundred seventy-one".