1109199101 has 8 divisors (see below), whose sum is σ = 1116428544. Its totient is φ = 1101990240.

The previous prime is 1109199089. The next prime is 1109199103. The reversal of 1109199101 is 1019919011.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1109199101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1109199103) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 111410 + ... + 120956.

It is an arithmetic number, because the mean of its divisors is an integer number (139553568).

Almost surely, 2^1109199101 is an apocalyptic number.

It is an amenable number.

1109199101 is a deficient number, since it is larger than the sum of its proper divisors (7229443).

1109199101 is an equidigital number, since it uses as much as digits as its factorization.

1109199101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10291.

The product of its (nonzero) digits is 729, while the sum is 32.

The square root of 1109199101 is about 33304.6408327728. The cubic root of 1109199101 is about 1035.1497215472.

The spelling of 1109199101 in words is "one billion, one hundred nine million, one hundred ninety-nine thousand, one hundred one".