11982221198 has 8 divisors (see below), whose sum is σ = 17979897240. Its totient is φ = 5988922120.

The previous prime is 11982221191. The next prime is 11982221203. The reversal of 11982221198 is 89112228911.

11982221198 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11982221191) 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 3 ways as a sum of consecutive naturals, for example, 1087388 + ... + 1098351.

It is an arithmetic number, because the mean of its divisors is an integer number (2247487155).

Almost surely, 2^11982221198 is an apocalyptic number.

11982221198 is a deficient number, since it is larger than the sum of its proper divisors (5997676042).

11982221198 is a wasteful number, since it uses less digits than its factorization.

11982221198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2188482.

The product of its digits is 41472, while the sum is 44.

The spelling of 11982221198 in words is "eleven billion, nine hundred eighty-two million, two hundred twenty-one thousand, one hundred ninety-eight".