1112109999 has 64 divisors (see below), whose sum is σ = 2044922880. Its totient is φ = 518814720.

The previous prime is 1112109997. The next prime is 1112110031. The reversal of 1112109999 is 9999012111.

1112109999 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1112109999 - 2¹ = 1112109997 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1112109999.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1112109997) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 106107 + ... + 116115.

It is an arithmetic number, because the mean of its divisors is an integer number (31951920).

Almost surely, 2^1112109999 is an apocalyptic number.

1112109999 is a deficient number, since it is larger than the sum of its proper divisors (932812881).

1112109999 is a wasteful number, since it uses less digits than its factorization.

1112109999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10080.

The product of its (nonzero) digits is 13122, while the sum is 42.

The square root of 1112109999 is about 33348.3132856821. The cubic root of 1112109999 is about 1036.0544533798.

It can be divided in two parts, 1112 and 109999, that added together give a palindrome (111111).

The spelling of 1112109999 in words is "one billion, one hundred twelve million, one hundred nine thousand, nine hundred ninety-nine".