10221201222247 has 2 divisors, whose sum is σ = 10221201222248. Its totient is φ = 10221201222246.

The previous prime is 10221201222187. The next prime is 10221201222283. The reversal of 10221201222247 is 74222210212201.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10221201222247 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10221201222347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5110600611123 + 5110600611124.

It is an arithmetic number, because the mean of its divisors is an integer number (5110600611124).

Almost surely, 2^{10221201222247} is an apocalyptic number.

10221201222247 is a deficient number, since it is larger than the sum of its proper divisors (1).

10221201222247 is an equidigital number, since it uses as much as digits as its factorization.

10221201222247 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3584, while the sum is 28.

Adding to 10221201222247 its reverse (74222210212201), we get a palindrome (84443411434448).

The spelling of 10221201222247 in words is "ten trillion, two hundred twenty-one billion, two hundred one million, two hundred twenty-two thousand, two hundred forty-seven".