211322321099 has 2 divisors, whose sum is σ = 211322321100. Its totient is φ = 211322321098.

The previous prime is 211322321087. The next prime is 211322321123. The reversal of 211322321099 is 990123223112.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 211322321099 - 2⁴ = 211322321083 is a prime.

It is not a weakly prime, because it can be changed into another prime (211322321009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105661160549 + 105661160550.

It is an arithmetic number, because the mean of its divisors is an integer number (105661160550).

Almost surely, 2^211322321099 is an apocalyptic number.

211322321099 is a deficient number, since it is larger than the sum of its proper divisors (1).

211322321099 is an equidigital number, since it uses as much as digits as its factorization.

211322321099 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11664, while the sum is 35.

The spelling of 211322321099 in words is "two hundred eleven billion, three hundred twenty-two million, three hundred twenty-one thousand, ninety-nine".