121210200221113 has 2 divisors, whose sum is σ = 121210200221114. Its totient is φ = 121210200221112.

The previous prime is 121210200221069. The next prime is 121210200221147. The reversal of 121210200221113 is 311122002012121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 114404587136064 + 6805613085049 = 10696008^2 + 2608757^2 .

It is an emirp because it is prime and its reverse (311122002012121) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-121210200221113 is a prime.

It is not a weakly prime, because it can be changed into another prime (121210200221813) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60605100110556 + 60605100110557.

It is an arithmetic number, because the mean of its divisors is an integer number (60605100110557).

Almost surely, 2^{121210200221113} is an apocalyptic number.

It is an amenable number.

121210200221113 is a deficient number, since it is larger than the sum of its proper divisors (1).

121210200221113 is an equidigital number, since it uses as much as digits as its factorization.

121210200221113 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96, while the sum is 19.

Adding to 121210200221113 its reverse (311122002012121), we get a palindrome (432332202233234).

The spelling of 121210200221113 in words is "one hundred twenty-one trillion, two hundred ten billion, two hundred million, two hundred twenty-one thousand, one hundred thirteen".