111111000099999 has 4 divisors (see below), whose sum is σ = 148148000133336. Its totient is φ = 74074000066664.

The previous prime is 111111000099991. The next prime is 111111000100027. The reversal of 111111000099999 is 999990000111111.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 111111000099999 - 2³ = 111111000099991 is a prime.

It is a zygodrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111111000099991) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18518500016664 + ... + 18518500016669.

It is an arithmetic number, because the mean of its divisors is an integer number (37037000033334).

Almost surely, 2^{111111000099999} is an apocalyptic number.

111111000099999 is a deficient number, since it is larger than the sum of its proper divisors (37037000033337).

111111000099999 is an equidigital number, since it uses as much as digits as its factorization.

111111000099999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37037000033336.

The product of its (nonzero) digits is 59049, while the sum is 51.

The spelling of 111111000099999 in words is "one hundred eleven trillion, one hundred eleven billion, ninety-nine thousand, nine hundred ninety-nine".