121010220124201 has 2 divisors, whose sum is σ = 121010220124202. Its totient is φ = 121010220124200.

The previous prime is 121010220124177. The next prime is 121010220124379. The reversal of 121010220124201 is 102421022010121.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 121004840048400 + 5380075801 = 11000220^2 + 73349^2 .

It is a cyclic number.

It is not a de Polignac number, because 121010220124201 - 2¹¹ = 121010220122153 is a prime.

It is not a weakly prime, because it can be changed into another prime (121010220124501) 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, 60505110062100 + 60505110062101.

It is an arithmetic number, because the mean of its divisors is an integer number (60505110062101).

Almost surely, 2^{121010220124201} is an apocalyptic number.

It is an amenable number.

121010220124201 is a deficient number, since it is larger than the sum of its proper divisors (1).

121010220124201 is an equidigital number, since it uses as much as digits as its factorization.

121010220124201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 121010220124201 its reverse (102421022010121), we get a palindrome (223431242134322).

The spelling of 121010220124201 in words is "one hundred twenty-one trillion, ten billion, two hundred twenty million, one hundred twenty-four thousand, two hundred one".