1101109992 has 32 divisors (see below), whose sum is σ = 2914704000. Its totient is φ = 345446144.

The previous prime is 1101109957. The next prime is 1101109993. The reversal of 1101109992 is 2999011011.

It is not an unprimeable number, because it can be changed into a prime (1101109993) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1348992 + ... + 1349807.

It is an arithmetic number, because the mean of its divisors is an integer number (91084500).

Almost surely, 2^1101109992 is an apocalyptic number.

1101109992 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1101109992 is an abundant number, since it is smaller than the sum of its proper divisors (1813594008).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1101109992 is a wasteful number, since it uses less digits than its factorization.

1101109992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2698825 (or 2698821 counting only the distinct ones).

The product of its (nonzero) digits is 1458, while the sum is 33.

The square root of 1101109992 is about 33182.9774432615. The cubic root of 1101109992 is about 1032.6272177217.

The spelling of 1101109992 in words is "one billion, one hundred one million, one hundred nine thousand, nine hundred ninety-two".