1102099999 has 32 divisors (see below), whose sum is σ = 1504903680. Its totient is φ = 779241600.

The previous prime is 1102099991. The next prime is 1102100011. The reversal of 1102099999 is 9999902011.

It is a cyclic number.

It is not a de Polignac number, because 1102099999 - 2³ = 1102099991 is a prime.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

1102099999 is a modest number, since divided by 99999 gives 11020 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1102099991) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 49729 + ... + 68389.

It is an arithmetic number, because the mean of its divisors is an integer number (47028240).

Almost surely, 2^1102099999 is an apocalyptic number.

1102099999 is a deficient number, since it is larger than the sum of its proper divisors (402803681).

1102099999 is a wasteful number, since it uses less digits than its factorization.

1102099999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18751.

The product of its (nonzero) digits is 118098, while the sum is 49.

The square root of 1102099999 is about 33197.8914842494. The cubic root of 1102099999 is about 1032.9366030840.

The spelling of 1102099999 in words is "one billion, one hundred two million, ninety-nine thousand, nine hundred ninety-nine".