16230021211 has 2 divisors, whose sum is σ = 16230021212. Its totient is φ = 16230021210.

The previous prime is 16230021191. The next prime is 16230021281. The reversal of 16230021211 is 11212003261.

It is a weak prime.

It is an emirp because it is prime and its reverse (11212003261) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 16230021211 - 2⁹ = 16230020699 is a prime.

It is not a weakly prime, because it can be changed into another prime (16230021281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8115010605 + 8115010606.

It is an arithmetic number, because the mean of its divisors is an integer number (8115010606).

Almost surely, 2^16230021211 is an apocalyptic number.

16230021211 is a deficient number, since it is larger than the sum of its proper divisors (1).

16230021211 is an equidigital number, since it uses as much as digits as its factorization.

16230021211 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 16230021211 its reverse (11212003261), we get a palindrome (27442024472).

The spelling of 16230021211 in words is "sixteen billion, two hundred thirty million, twenty-one thousand, two hundred eleven".