9216226121 has 2 divisors, whose sum is σ = 9216226122. Its totient is φ = 9216226120.

The previous prime is 9216226087. The next prime is 9216226153. The reversal of 9216226121 is 1216226129.

It is an a-pointer prime, because the next prime (9216226153) can be obtained adding 9216226121 to its sum of digits (32).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8511907600 + 704318521 = 92260^2 + 26539^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9216226121 is a prime.

It is not a weakly prime, because it can be changed into another prime (9216225121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4608113060 + 4608113061.

It is an arithmetic number, because the mean of its divisors is an integer number (4608113061).

Almost surely, 2^9216226121 is an apocalyptic number.

It is an amenable number.

9216226121 is a deficient number, since it is larger than the sum of its proper divisors (1).

9216226121 is an equidigital number, since it uses as much as digits as its factorization.

9216226121 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5184, while the sum is 32.

The square root of 9216226121 is about 96001.1777063177. The cubic root of 9216226121 is about 2096.6102623526.

The spelling of 9216226121 in words is "nine billion, two hundred sixteen million, two hundred twenty-six thousand, one hundred twenty-one".