10020121252201 has 2 divisors, whose sum is σ = 10020121252202. Its totient is φ = 10020121252200.

The previous prime is 10020121252157. The next prime is 10020121252241. The reversal of 10020121252201 is 10225212102001.

It is a happy number.

10020121252201 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5806769756176 + 4213351496025 = 2409724^2 + 2052645^2 .

It is a cyclic number.

It is not a de Polignac number, because 10020121252201 - 2¹⁹ = 10020120727913 is a prime.

It is not a weakly prime, because it can be changed into another prime (10020121252241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5010060626100 + 5010060626101.

It is an arithmetic number, because the mean of its divisors is an integer number (5010060626101).

Almost surely, 2^{10020121252201} is an apocalyptic number.

It is an amenable number.

10020121252201 is a deficient number, since it is larger than the sum of its proper divisors (1).

10020121252201 is an equidigital number, since it uses as much as digits as its factorization.

10020121252201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 160, while the sum is 19.

Adding to 10020121252201 its reverse (10225212102001), we get a palindrome (20245333354202).

The spelling of 10020121252201 in words is "ten trillion, twenty billion, one hundred twenty-one million, two hundred fifty-two thousand, two hundred one".