10221212001017 has 2 divisors, whose sum is σ = 10221212001018. Its totient is φ = 10221212001016.

The previous prime is 10221212000899. The next prime is 10221212001031. The reversal of 10221212001017 is 71010021212201.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9567861494416 + 653350506601 = 3093196^2 + 808301^2 .

It is an emirp because it is prime and its reverse (71010021212201) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 10221212001017 - 2³⁰ = 10220138259193 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 10221212001017.

It is not a weakly prime, because it can be changed into another prime (10221212001317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5110606000508 + 5110606000509.

It is an arithmetic number, because the mean of its divisors is an integer number (5110606000509).

Almost surely, 2^{10221212001017} is an apocalyptic number.

It is an amenable number.

10221212001017 is a deficient number, since it is larger than the sum of its proper divisors (1).

10221212001017 is an equidigital number, since it uses as much as digits as its factorization.

10221212001017 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 112, while the sum is 20.

Adding to 10221212001017 its reverse (71010021212201), we get a palindrome (81231233213218).

The spelling of 10221212001017 in words is "ten trillion, two hundred twenty-one billion, two hundred twelve million, one thousand, seventeen".