1102109985 has 24 divisors (see below), whose sum is σ = 1971949824. Its totient is φ = 568830240.

The previous prime is 1102109977. The next prime is 1102110007. The reversal of 1102109985 is 5899012011.

It is not a de Polignac number, because 1102109985 - 2³ = 1102109977 is a prime.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 393627 + ... + 396416.

It is an arithmetic number, because the mean of its divisors is an integer number (82164576).

Almost surely, 2^1102109985 is an apocalyptic number.

1102109985 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1102109985 is a deficient number, since it is larger than the sum of its proper divisors (869839839).

1102109985 is a wasteful number, since it uses less digits than its factorization.

1102109985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 790085 (or 790082 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 36.

The square root of 1102109985 is about 33198.0418850269. The cubic root of 1102109985 is about 1032.9397228474.

The spelling of 1102109985 in words is "one billion, one hundred two million, one hundred nine thousand, nine hundred eighty-five".