121741701712063 has 2 divisors, whose sum is σ = 121741701712064. Its totient is φ = 121741701712062.

The previous prime is 121741701712021. The next prime is 121741701712291. The reversal of 121741701712063 is 360217107147121.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-121741701712063 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121741701715063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60870850856031 + 60870850856032.

It is an arithmetic number, because the mean of its divisors is an integer number (60870850856032).

Almost surely, 2^{121741701712063} is an apocalyptic number.

121741701712063 is a deficient number, since it is larger than the sum of its proper divisors (1).

121741701712063 is an equidigital number, since it uses as much as digits as its factorization.

121741701712063 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 98784, while the sum is 43.

Adding to 121741701712063 its reverse (360217107147121), we get a palindrome (481958808859184).

The spelling of 121741701712063 in words is "one hundred twenty-one trillion, seven hundred forty-one billion, seven hundred one million, seven hundred twelve thousand, sixty-three".