2133666211 has 2 divisors, whose sum is σ = 2133666212. Its totient is φ = 2133666210.

The previous prime is 2133666187. The next prime is 2133666229. The reversal of 2133666211 is 1126663312.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2133666211 - 2⁵ = 2133666179 is a prime.

It is not a weakly prime, because it can be changed into another prime (2133666011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1066833105 + 1066833106.

It is an arithmetic number, because the mean of its divisors is an integer number (1066833106).

Almost surely, 2^2133666211 is an apocalyptic number.

2133666211 is a deficient number, since it is larger than the sum of its proper divisors (1).

2133666211 is an equidigital number, since it uses as much as digits as its factorization.

2133666211 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7776, while the sum is 31.

The square root of 2133666211 is about 46191.6249010576. The cubic root of 2133666211 is about 1287.3861322114.

The spelling of 2133666211 in words is "two billion, one hundred thirty-three million, six hundred sixty-six thousand, two hundred eleven".