8102533121 has 2 divisors, whose sum is σ = 8102533122. Its totient is φ = 8102533120.

The previous prime is 8102533091. The next prime is 8102533247. The reversal of 8102533121 is 1213352018.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8021172721 + 81360400 = 89561^2 + 9020^2 .

It is a cyclic number.

It is not a de Polignac number, because 8102533121 - 2²² = 8098338817 is a prime.

It is not a weakly prime, because it can be changed into another prime (8102503121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4051266560 + 4051266561.

It is an arithmetic number, because the mean of its divisors is an integer number (4051266561).

Almost surely, 2^8102533121 is an apocalyptic number.

It is an amenable number.

8102533121 is a deficient number, since it is larger than the sum of its proper divisors (1).

8102533121 is an equidigital number, since it uses as much as digits as its factorization.

8102533121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1440, while the sum is 26.

The square root of 8102533121 is about 90014.0717943589. The cubic root of 8102533121 is about 2008.5081808543.

Adding to 8102533121 its reverse (1213352018), we get a palindrome (9315885139).

The spelling of 8102533121 in words is "eight billion, one hundred two million, five hundred thirty-three thousand, one hundred twenty-one".