10202122002217 has 2 divisors, whose sum is σ = 10202122002218. Its totient is φ = 10202122002216.

The previous prime is 10202122002211. The next prime is 10202122002257. The reversal of 10202122002217 is 71220022120201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7941862333161 + 2260259669056 = 2818131^2 + 1503416^2 .

It is an emirp because it is prime and its reverse (71220022120201) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 10202122002217 - 2⁷ = 10202122002089 is a prime.

It is not a weakly prime, because it can be changed into another prime (10202122002211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5101061001108 + 5101061001109.

It is an arithmetic number, because the mean of its divisors is an integer number (5101061001109).

Almost surely, 2^{10202122002217} is an apocalyptic number.

It is an amenable number.

10202122002217 is a deficient number, since it is larger than the sum of its proper divisors (1).

10202122002217 is an equidigital number, since it uses as much as digits as its factorization.

10202122002217 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 448, while the sum is 22.

Adding to 10202122002217 its reverse (71220022120201), we get a palindrome (81422144122418).

The spelling of 10202122002217 in words is "ten trillion, two hundred two billion, one hundred twenty-two million, two thousand, two hundred seventeen".