121144522663 has 2 divisors, whose sum is σ = 121144522664. Its totient is φ = 121144522662.

The previous prime is 121144522567. The next prime is 121144522687. The reversal of 121144522663 is 366225441121.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 121144522663 - 2¹³ = 121144514471 is a prime.

It is a super-3 number, since 3×121144522663³ (a number of 34 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121144522463) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60572261331 + 60572261332.

It is an arithmetic number, because the mean of its divisors is an integer number (60572261332).

Almost surely, 2^121144522663 is an apocalyptic number.

121144522663 is a deficient number, since it is larger than the sum of its proper divisors (1).

121144522663 is an equidigital number, since it uses as much as digits as its factorization.

121144522663 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 69120, while the sum is 37.

Adding to 121144522663 its reverse (366225441121), we get a palindrome (487369963784).

The spelling of 121144522663 in words is "one hundred twenty-one billion, one hundred forty-four million, five hundred twenty-two thousand, six hundred sixty-three".