1100101009 has 6 divisors (see below), whose sum is σ = 1279709394. Its totient is φ = 942943680.

The previous prime is 1100101003. The next prime is 1100101027. The reversal of 1100101009 is 9001010011.

It can be written as a sum of positive squares in only one way, i.e., 709050384 + 391050625 = 26628^2 + 19775^2 .

It is not a de Polignac number, because 1100101009 - 2⁹ = 1100100497 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1100101009.

It is not an unprimeable number, because it can be changed into a prime (1100101003) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 11225472 + ... + 11225569.

It is an arithmetic number, because the mean of its divisors is an integer number (213284899).

Almost surely, 2^1100101009 is an apocalyptic number.

It is an amenable number.

1100101009 is a deficient number, since it is larger than the sum of its proper divisors (179608385).

1100101009 is an equidigital number, since it uses as much as digits as its factorization.

1100101009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22451055 (or 22451048 counting only the distinct ones).

The product of its (nonzero) digits is 9, while the sum is 13.

The square root of 1100101009 is about 33167.7706365683. The cubic root of 1100101009 is about 1032.3117113324.

The spelling of 1100101009 in words is "one billion, one hundred million, one hundred one thousand, nine".