1101109999 has 8 divisors (see below), whose sum is σ = 1206600192. Its totient is φ = 996518040.

The previous prime is 1101109993. The next prime is 1101110011. The reversal of 1101109999 is 9999011011.

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

It is a cyclic number.

It is not a de Polignac number, because 1101109999 - 2¹¹ = 1101107951 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 (1101109993) 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, 221989 + ... + 226894.

It is an arithmetic number, because the mean of its divisors is an integer number (150825024).

Almost surely, 2^1101109999 is an apocalyptic number.

1101109999 is a deficient number, since it is larger than the sum of its proper divisors (105490193).

1101109999 is a wasteful number, since it uses less digits than its factorization.

1101109999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 449117.

The product of its (nonzero) digits is 6561, while the sum is 40.

The square root of 1101109999 is about 33182.9775487372. The cubic root of 1101109999 is about 1032.6272199099.

The spelling of 1101109999 in words is "one billion, one hundred one million, one hundred nine thousand, nine hundred ninety-nine".