201002113203109 has 2 divisors, whose sum is σ = 201002113203110. Its totient is φ = 201002113203108.

The previous prime is 201002113203061. The next prime is 201002113203211. The reversal of 201002113203109 is 901302311200102.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 140576521111009 + 60425592092100 = 11856497^2 + 7773390^2 .

It is a cyclic number.

It is not a de Polignac number, because 201002113203109 - 2¹⁷ = 201002113072037 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (201002113207109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100501056601554 + 100501056601555.

It is an arithmetic number, because the mean of its divisors is an integer number (100501056601555).

Almost surely, 2^{201002113203109} is an apocalyptic number.

It is an amenable number.

201002113203109 is a deficient number, since it is larger than the sum of its proper divisors (1).

201002113203109 is an equidigital number, since it uses as much as digits as its factorization.

201002113203109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648, while the sum is 25.

The spelling of 201002113203109 in words is "two hundred one trillion, two billion, one hundred thirteen million, two hundred three thousand, one hundred nine".