2211210971 has 2 divisors, whose sum is σ = 2211210972. Its totient is φ = 2211210970.

The previous prime is 2211210959. The next prime is 2211211033. The reversal of 2211210971 is 1790121122.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2211210971 - 2¹⁸ = 2210948827 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2211210971.

It is not a weakly prime, because it can be changed into another prime (2211210941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1105605485 + 1105605486.

It is an arithmetic number, because the mean of its divisors is an integer number (1105605486).

Almost surely, 2^2211210971 is an apocalyptic number.

2211210971 is a deficient number, since it is larger than the sum of its proper divisors (1).

2211210971 is an equidigital number, since it uses as much as digits as its factorization.

2211210971 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 504, while the sum is 26.

The square root of 2211210971 is about 47023.5150855399. The cubic root of 2211210971 is about 1302.7969309883.

The spelling of 2211210971 in words is "two billion, two hundred eleven million, two hundred ten thousand, nine hundred seventy-one".