121022120201201 has 2 divisors, whose sum is σ = 121022120201202. Its totient is φ = 121022120201200.

The previous prime is 121022120201197. The next prime is 121022120201233. The reversal of 121022120201201 is 102102021220121.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 113121517939600 + 7900602261601 = 10635860^2 + 2810801^2 .

It is a cyclic number.

It is not a de Polignac number, because 121022120201201 - 2² = 121022120201197 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 121022120201201.

It is not a weakly prime, because it can be changed into another prime (121022120201291) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60511060100600 + 60511060100601.

It is an arithmetic number, because the mean of its divisors is an integer number (60511060100601).

Almost surely, 2^{121022120201201} is an apocalyptic number.

It is an amenable number.

121022120201201 is a deficient number, since it is larger than the sum of its proper divisors (1).

121022120201201 is an equidigital number, since it uses as much as digits as its factorization.

121022120201201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 121022120201201 its reverse (102102021220121), we get a palindrome (223124141421322).

The spelling of 121022120201201 in words is "one hundred twenty-one trillion, twenty-two billion, one hundred twenty million, two hundred one thousand, two hundred one".