211333221089 has 2 divisors, whose sum is σ = 211333221090. Its totient is φ = 211333221088.

The previous prime is 211333221067. The next prime is 211333221103. The reversal of 211333221089 is 980122333112.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 177658035025 + 33675186064 = 421495^2 + 183508^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-211333221089 is a prime.

It is not a weakly prime, because it can be changed into another prime (211333221289) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105666610544 + 105666610545.

It is an arithmetic number, because the mean of its divisors is an integer number (105666610545).

Almost surely, 2^211333221089 is an apocalyptic number.

It is an amenable number.

211333221089 is a deficient number, since it is larger than the sum of its proper divisors (1).

211333221089 is an equidigital number, since it uses as much as digits as its factorization.

211333221089 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15552, while the sum is 35.

The spelling of 211333221089 in words is "two hundred eleven billion, three hundred thirty-three million, two hundred twenty-one thousand, eighty-nine".