211051323073 has 2 divisors, whose sum is σ = 211051323074. Its totient is φ = 211051323072.

The previous prime is 211051323037. The next prime is 211051323083. The reversal of 211051323073 is 370323150112.

Together with previous prime (211051323037) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 209716370704 + 1334952369 = 457948^2 + 36537^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-211051323073 is a prime.

It is not a weakly prime, because it can be changed into another prime (211051323083) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105525661536 + 105525661537.

It is an arithmetic number, because the mean of its divisors is an integer number (105525661537).

Almost surely, 2^211051323073 is an apocalyptic number.

It is an amenable number.

211051323073 is a deficient number, since it is larger than the sum of its proper divisors (1).

211051323073 is an equidigital number, since it uses as much as digits as its factorization.

211051323073 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3780, while the sum is 28.

Adding to 211051323073 its reverse (370323150112), we get a palindrome (581374473185).

The spelling of 211051323073 in words is "two hundred eleven billion, fifty-one million, three hundred twenty-three thousand, seventy-three".