11109201000109 has 2 divisors, whose sum is σ = 11109201000110. Its totient is φ = 11109201000108.

The previous prime is 11109200999969. The next prime is 11109201000193. The reversal of 11109201000109 is 90100010290111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8692932830884 + 2416268169225 = 2948378^2 + 1554435^2 .

It is a cyclic number.

It is not a de Polignac number, because 11109201000109 - 2²⁷ = 11109066782381 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11109201007109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5554600500054 + 5554600500055.

It is an arithmetic number, because the mean of its divisors is an integer number (5554600500055).

Almost surely, 2^{11109201000109} is an apocalyptic number.

It is an amenable number.

11109201000109 is a deficient number, since it is larger than the sum of its proper divisors (1).

11109201000109 is an equidigital number, since it uses as much as digits as its factorization.

11109201000109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 162, while the sum is 25.

The spelling of 11109201000109 in words is "eleven trillion, one hundred nine billion, two hundred one million, one hundred nine", and thus it is an aban number.