201110010120221 has 2 divisors, whose sum is σ = 201110010120222. Its totient is φ = 201110010120220.

The previous prime is 201110010120181. The next prime is 201110010120277. The reversal of 201110010120221 is 122021010011102.

201110010120221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 199205306508121 + 1904703612100 = 14114011^2 + 1380110^2 .

It is a cyclic number.

It is not a de Polignac number, because 201110010120221 - 2³⁴ = 201092830251037 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 201110010120196 and 201110010120205.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (201110010120821) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100555005060110 + 100555005060111.

It is an arithmetic number, because the mean of its divisors is an integer number (100555005060111).

Almost surely, 2^{201110010120221} is an apocalyptic number.

It is an amenable number.

201110010120221 is a deficient number, since it is larger than the sum of its proper divisors (1).

201110010120221 is an equidigital number, since it uses as much as digits as its factorization.

201110010120221 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 201110010120221 its reverse (122021010011102), we get a palindrome (323131020131323).

The spelling of 201110010120221 in words is "two hundred one trillion, one hundred ten billion, ten million, one hundred twenty thousand, two hundred twenty-one".