8266112245121 has 2 divisors, whose sum is σ = 8266112245122. Its totient is φ = 8266112245120.

The previous prime is 8266112245081. The next prime is 8266112245219. The reversal of 8266112245121 is 1215422116628.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7839781601521 + 426330643600 = 2799961^2 + 652940^2 .

It is a cyclic number.

It is not a de Polignac number, because 8266112245121 - 2⁴² = 3868065734017 is a prime.

It is a super-4 number, since 4×8266112245121⁴ (a number of 53 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is not a weakly prime, because it can be changed into another prime (8266112205121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4133056122560 + 4133056122561.

It is an arithmetic number, because the mean of its divisors is an integer number (4133056122561).

Almost surely, 2^{8266112245121} is an apocalyptic number.

It is an amenable number.

8266112245121 is a deficient number, since it is larger than the sum of its proper divisors (1).

8266112245121 is an equidigital number, since it uses as much as digits as its factorization.

8266112245121 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 92160, while the sum is 41.

The spelling of 8266112245121 in words is "eight trillion, two hundred sixty-six billion, one hundred twelve million, two hundred forty-five thousand, one hundred twenty-one".