4201002001109 has 2 divisors, whose sum is σ = 4201002001110. Its totient is φ = 4201002001108.

The previous prime is 4201002001019. The next prime is 4201002001117. The reversal of 4201002001109 is 9011002001024.

Together with previous prime (4201002001019) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4188481510084 + 12520491025 = 2046578^2 + 111895^2 .

It is a cyclic number.

It is not a de Polignac number, because 4201002001109 - 2¹² = 4201001997013 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4201002003109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2100501000554 + 2100501000555.

It is an arithmetic number, because the mean of its divisors is an integer number (2100501000555).

Almost surely, 2^{4201002001109} is an apocalyptic number.

It is an amenable number.

4201002001109 is a deficient number, since it is larger than the sum of its proper divisors (1).

4201002001109 is an equidigital number, since it uses as much as digits as its factorization.

4201002001109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 20.

The spelling of 4201002001109 in words is "four trillion, two hundred one billion, two million, one thousand, one hundred nine".