10200020211109 has 2 divisors, whose sum is σ = 10200020211110. Its totient is φ = 10200020211108.

The previous prime is 10200020211071. The next prime is 10200020211169. The reversal of 10200020211109 is 90111202000201.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5245153452900 + 4954866758209 = 2290230^2 + 2225953^2 .

It is an emirp because it is prime and its reverse (90111202000201) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 10200020211109 - 2¹¹ = 10200020209061 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10200020211169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5100010105554 + 5100010105555.

It is an arithmetic number, because the mean of its divisors is an integer number (5100010105555).

Almost surely, 2^{10200020211109} is an apocalyptic number.

It is an amenable number.

10200020211109 is a deficient number, since it is larger than the sum of its proper divisors (1).

10200020211109 is an equidigital number, since it uses as much as digits as its factorization.

10200020211109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72, while the sum is 19.

The spelling of 10200020211109 in words is "ten trillion, two hundred billion, twenty million, two hundred eleven thousand, one hundred nine".