1100110100209 has 2 divisors, whose sum is σ = 1100110100210. Its totient is φ = 1100110100208.

The previous prime is 1100110100171. The next prime is 1100110100213. The reversal of 1100110100209 is 9020010110011.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 940667214400 + 159442885809 = 969880^2 + 399303^2 .

It is a cyclic number.

It is not a de Polignac number, because 1100110100209 - 2¹¹ = 1100110098161 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1100110100192 and 1100110100201.

It is not a weakly prime, because it can be changed into another prime (1100110100279) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 550055050104 + 550055050105.

It is an arithmetic number, because the mean of its divisors is an integer number (550055050105).

Almost surely, 2^{1100110100209} is an apocalyptic number.

It is an amenable number.

1100110100209 is a deficient number, since it is larger than the sum of its proper divisors (1).

1100110100209 is an equidigital number, since it uses as much as digits as its factorization.

1100110100209 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18, while the sum is 16.

The spelling of 1100110100209 in words is "one trillion, one hundred billion, one hundred ten million, one hundred thousand, two hundred nine".