10216604650121 has 2 divisors, whose sum is σ = 10216604650122. Its totient is φ = 10216604650120.

The previous prime is 10216604650039. The next prime is 10216604650151. The reversal of 10216604650121 is 12105640661201.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6334463450896 + 3882141199225 = 2516836^2 + 1970315^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10216604650121 is a prime.

It is not a weakly prime, because it can be changed into another prime (10216604650151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5108302325060 + 5108302325061.

It is an arithmetic number, because the mean of its divisors is an integer number (5108302325061).

Almost surely, 2^{10216604650121} is an apocalyptic number.

It is an amenable number.

10216604650121 is a deficient number, since it is larger than the sum of its proper divisors (1).

10216604650121 is an equidigital number, since it uses as much as digits as its factorization.

10216604650121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17280, while the sum is 35.

The spelling of 10216604650121 in words is "ten trillion, two hundred sixteen billion, six hundred four million, six hundred fifty thousand, one hundred twenty-one".