12111098 has 8 divisors (see below), whose sum is σ = 18189792. Its totient is φ = 6047836.

The previous prime is 12111097. The next prime is 12111103. The reversal of 12111098 is 89011121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (12111091) 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, 1640 + ... + 5187.

It is an arithmetic number, because the mean of its divisors is an integer number (2273724).

Almost surely, 2^12111098 is an apocalyptic number.

12111098 is a deficient number, since it is larger than the sum of its proper divisors (6078694).

12111098 is an equidigital number, since it uses as much as digits as its factorization.

12111098 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7716.

The product of its (nonzero) digits is 144, while the sum is 23.

The square root of 12111098 is about 3480.1002859113. The cubic root of 12111098 is about 229.6472096142.

Adding to 12111098 its sum of digits (23), we get a palindrome (12111121).

The spelling of 12111098 in words is "twelve million, one hundred eleven thousand, ninety-eight".