121112260663 has 2 divisors, whose sum is σ = 121112260664. Its totient is φ = 121112260662.

The previous prime is 121112260651. The next prime is 121112260699. The reversal of 121112260663 is 366062211121.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-121112260663 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121112260963) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60556130331 + 60556130332.

It is an arithmetic number, because the mean of its divisors is an integer number (60556130332).

Almost surely, 2^121112260663 is an apocalyptic number.

121112260663 is a deficient number, since it is larger than the sum of its proper divisors (1).

121112260663 is an equidigital number, since it uses as much as digits as its factorization.

121112260663 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5184, while the sum is 31.

Adding to 121112260663 its reverse (366062211121), we get a palindrome (487174471784).

The spelling of 121112260663 in words is "one hundred twenty-one billion, one hundred twelve million, two hundred sixty thousand, six hundred sixty-three".