2061105071 has 2 divisors, whose sum is σ = 2061105072. Its totient is φ = 2061105070.

The previous prime is 2061105061. The next prime is 2061105073. The reversal of 2061105071 is 1705011602.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2061105071 is a prime.

It is a super-2 number, since 2×2061105071² = 8496308227403830082, which contains 22 as substring.

Together with 2061105073, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2061105073) 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, 1030552535 + 1030552536.

It is an arithmetic number, because the mean of its divisors is an integer number (1030552536).

Almost surely, 2^2061105071 is an apocalyptic number.

2061105071 is a deficient number, since it is larger than the sum of its proper divisors (1).

2061105071 is an equidigital number, since it uses as much as digits as its factorization.

2061105071 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 420, while the sum is 23.

The square root of 2061105071 is about 45399.3950510356. The cubic root of 2061105071 is about 1272.6238087663.

Adding to 2061105071 its reverse (1705011602), we get a palindrome (3766116673).

The spelling of 2061105071 in words is "two billion, sixty-one million, one hundred five thousand, seventy-one".