9853141121 has 2 divisors, whose sum is σ = 9853141122. Its totient is φ = 9853141120.

The previous prime is 9853141063. The next prime is 9853141157. The reversal of 9853141121 is 1211413589.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7966455025 + 1886686096 = 89255^2 + 43436^2 .

It is a cyclic number.

It is not a de Polignac number, because 9853141121 - 2⁶ = 9853141057 is a prime.

It is a super-2 number, since 2×9853141121² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (9853141021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4926570560 + 4926570561.

It is an arithmetic number, because the mean of its divisors is an integer number (4926570561).

Almost surely, 2^9853141121 is an apocalyptic number.

It is an amenable number.

9853141121 is a deficient number, since it is larger than the sum of its proper divisors (1).

9853141121 is an equidigital number, since it uses as much as digits as its factorization.

9853141121 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8640, while the sum is 35.

The square root of 9853141121 is about 99262.9896839703. The cubic root of 9853141121 is about 2143.8360404785.

The spelling of 9853141121 in words is "nine billion, eight hundred fifty-three million, one hundred forty-one thousand, one hundred twenty-one".