2101242271 has 2 divisors, whose sum is σ = 2101242272. Its totient is φ = 2101242270.

The previous prime is 2101242181. The next prime is 2101242277. The reversal of 2101242271 is 1722421012.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2101242271 - 2¹¹ = 2101240223 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2101242277) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1050621135 + 1050621136.

It is an arithmetic number, because the mean of its divisors is an integer number (1050621136).

Almost surely, 2^2101242271 is an apocalyptic number.

2101242271 is a deficient number, since it is larger than the sum of its proper divisors (1).

2101242271 is an equidigital number, since it uses as much as digits as its factorization.

2101242271 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 448, while the sum is 22.

The square root of 2101242271 is about 45839.3092334516. The cubic root of 2101242271 is about 1280.8316273326.

Adding to 2101242271 its reverse (1722421012), we get a palindrome (3823663283).

The spelling of 2101242271 in words is "two billion, one hundred one million, two hundred forty-two thousand, two hundred seventy-one".