213210211099 has 2 divisors, whose sum is σ = 213210211100. Its totient is φ = 213210211098.

The previous prime is 213210211073. The next prime is 213210211111. The reversal of 213210211099 is 990112012312.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-213210211099 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 213210211099.

It is not a weakly prime, because it can be changed into another prime (213210211399) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106605105549 + 106605105550.

It is an arithmetic number, because the mean of its divisors is an integer number (106605105550).

Almost surely, 2^213210211099 is an apocalyptic number.

213210211099 is a deficient number, since it is larger than the sum of its proper divisors (1).

213210211099 is an equidigital number, since it uses as much as digits as its factorization.

213210211099 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1944, while the sum is 31.

The spelling of 213210211099 in words is "two hundred thirteen billion, two hundred ten million, two hundred eleven thousand, ninety-nine".