110000201020909 has 2 divisors, whose sum is σ = 110000201020910. Its totient is φ = 110000201020908.

The previous prime is 110000201020907. The next prime is 110000201021033. The reversal of 110000201020909 is 909020102000011.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 105193802498409 + 4806398522500 = 10256403^2 + 2192350^2 .

It is a cyclic number.

It is not a de Polignac number, because 110000201020909 - 2¹ = 110000201020907 is a prime.

Together with 110000201020907, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (110000201020903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55000100510454 + 55000100510455.

It is an arithmetic number, because the mean of its divisors is an integer number (55000100510455).

Almost surely, 2^{110000201020909} is an apocalyptic number.

It is an amenable number.

110000201020909 is a deficient number, since it is larger than the sum of its proper divisors (1).

110000201020909 is an equidigital number, since it uses as much as digits as its factorization.

110000201020909 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 324, while the sum is 25.

The spelling of 110000201020909 in words is "one hundred ten trillion, two hundred one million, twenty thousand, nine hundred nine".