121221022001063 has 2 divisors, whose sum is σ = 121221022001064. Its totient is φ = 121221022001062.

The previous prime is 121221022001021. The next prime is 121221022001081. The reversal of 121221022001063 is 360100220122121.

It is a strong prime.

It is an emirp because it is prime and its reverse (360100220122121) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 121221022001063 - 2¹⁸ = 121221021738919 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121221022001263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60610511000531 + 60610511000532.

It is an arithmetic number, because the mean of its divisors is an integer number (60610511000532).

Almost surely, 2^{121221022001063} is an apocalyptic number.

121221022001063 is a deficient number, since it is larger than the sum of its proper divisors (1).

121221022001063 is an equidigital number, since it uses as much as digits as its factorization.

121221022001063 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 23.

Adding to 121221022001063 its reverse (360100220122121), we get a palindrome (481321242123184).

The spelling of 121221022001063 in words is "one hundred twenty-one trillion, two hundred twenty-one billion, twenty-two million, one thousand, sixty-three".