121001102020063 has 2 divisors, whose sum is σ = 121001102020064. Its totient is φ = 121001102020062.

The previous prime is 121001102019979. The next prime is 121001102020067. The reversal of 121001102020063 is 360020201100121.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-121001102020063 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 121001102020063.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121001102020067) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60500551010031 + 60500551010032.

It is an arithmetic number, because the mean of its divisors is an integer number (60500551010032).

Almost surely, 2^{121001102020063} is an apocalyptic number.

121001102020063 is a deficient number, since it is larger than the sum of its proper divisors (1).

121001102020063 is an equidigital number, since it uses as much as digits as its factorization.

121001102020063 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 121001102020063 its reverse (360020201100121), we get a palindrome (481021303120184).

The spelling of 121001102020063 in words is "one hundred twenty-one trillion, one billion, one hundred two million, twenty thousand, sixty-three".