10216102081 has 2 divisors, whose sum is σ = 10216102082. Its totient is φ = 10216102080.

The previous prime is 10216102037. The next prime is 10216102121. The reversal of 10216102081 is 18020161201.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9104213056 + 1111889025 = 95416^2 + 33345^2 .

It is a cyclic number.

It is not a de Polignac number, because 10216102081 - 2⁷ = 10216101953 is a prime.

It is a super-2 number, since 2×10216102081² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (10216102681) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5108051040 + 5108051041.

It is an arithmetic number, because the mean of its divisors is an integer number (5108051041).

Almost surely, 2^10216102081 is an apocalyptic number.

It is an amenable number.

10216102081 is a deficient number, since it is larger than the sum of its proper divisors (1).

10216102081 is an equidigital number, since it uses as much as digits as its factorization.

10216102081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 192, while the sum is 22.

Adding to 10216102081 its reverse (18020161201), we get a palindrome (28236263282).

The spelling of 10216102081 in words is "ten billion, two hundred sixteen million, one hundred two thousand, eighty-one".