2143222811 has 2 divisors, whose sum is σ = 2143222812. Its totient is φ = 2143222810.

The previous prime is 2143222771. The next prime is 2143222859. The reversal of 2143222811 is 1182223412.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2143222811 - 2¹⁴ = 2143206427 is a prime.

It is not a weakly prime, because it can be changed into another prime (2143122811) 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, 1071611405 + 1071611406.

It is an arithmetic number, because the mean of its divisors is an integer number (1071611406).

Almost surely, 2^2143222811 is an apocalyptic number.

2143222811 is a deficient number, since it is larger than the sum of its proper divisors (1).

2143222811 is an equidigital number, since it uses as much as digits as its factorization.

2143222811 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1536, while the sum is 26.

The square root of 2143222811 is about 46294.9544875033. The cubic root of 2143222811 is about 1289.3053189399.

The spelling of 2143222811 in words is "two billion, one hundred forty-three million, two hundred twenty-two thousand, eight hundred eleven".