16000112221 has 2 divisors, whose sum is σ = 16000112222. Its totient is φ = 16000112220.

The previous prime is 16000112201. The next prime is 16000112231. The reversal of 16000112221 is 12221100061.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10263716100 + 5736396121 = 101310^2 + 75739^2 .

It is a cyclic number.

It is not a de Polignac number, because 16000112221 - 2²¹ = 15998015069 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 16000112195 and 16000112204.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16000112201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8000056110 + 8000056111.

It is an arithmetic number, because the mean of its divisors is an integer number (8000056111).

Almost surely, 2^16000112221 is an apocalyptic number.

It is an amenable number.

16000112221 is a deficient number, since it is larger than the sum of its proper divisors (1).

16000112221 is an equidigital number, since it uses as much as digits as its factorization.

16000112221 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 16000112221 its reverse (12221100061), we get a palindrome (28221212282).

The spelling of 16000112221 in words is "sixteen billion, one hundred twelve thousand, two hundred twenty-one".