1102111999 has 8 divisors (see below), whose sum is σ = 1150796160. Its totient is φ = 1053491736.

The previous prime is 1102111993. The next prime is 1102112017. The reversal of 1102111999 is 9991112011.

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-1102111999 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 (1102111993) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21144 + ... + 51490.

It is an arithmetic number, because the mean of its divisors is an integer number (143849520).

Almost surely, 2^1102111999 is an apocalyptic number.

1102111999 is a deficient number, since it is larger than the sum of its proper divisors (48684161).

1102111999 is a wasteful number, since it uses less digits than its factorization.

1102111999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31949.

The product of its (nonzero) digits is 1458, while the sum is 34.

The square root of 1102111999 is about 33198.0722181274. The cubic root of 1102111999 is about 1032.9403520463.

The spelling of 1102111999 in words is "one billion, one hundred two million, one hundred eleven thousand, nine hundred ninety-nine".