2102211271 has 2 divisors, whose sum is σ = 2102211272. Its totient is φ = 2102211270.

The previous prime is 2102211269. The next prime is 2102211283. The reversal of 2102211271 is 1721122012.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2102211271 - 2¹ = 2102211269 is a prime.

Together with 2102211269, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2102211571) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1051105635 + 1051105636.

It is an arithmetic number, because the mean of its divisors is an integer number (1051105636).

Almost surely, 2^2102211271 is an apocalyptic number.

2102211271 is a deficient number, since it is larger than the sum of its proper divisors (1).

2102211271 is an equidigital number, since it uses as much as digits as its factorization.

2102211271 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 112, while the sum is 19.

The square root of 2102211271 is about 45849.8775461833. The cubic root of 2102211271 is about 1281.0284847074.

Adding to 2102211271 its reverse (1721122012), we get a palindrome (3823333283).

The spelling of 2102211271 in words is "two billion, one hundred two million, two hundred eleven thousand, two hundred seventy-one".