111110121982 has 8 divisors (see below), whose sum is σ = 166667477256. Its totient is φ = 55554296232.

The previous prime is 111110121979. The next prime is 111110121989. The reversal of 111110121982 is 289121011111.

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

It is a self number, because there is not a number n which added to its sum of digits gives 111110121982.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111110121989) 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, 179173 + ... + 504304.

It is an arithmetic number, because the mean of its divisors is an integer number (20833434657).

Almost surely, 2^111110121982 is an apocalyptic number.

111110121982 is a deficient number, since it is larger than the sum of its proper divisors (55557355274).

111110121982 is an equidigital number, since it uses as much as digits as its factorization.

111110121982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 764762.

The product of its (nonzero) digits is 288, while the sum is 28.

The spelling of 111110121982 in words is "one hundred eleven billion, one hundred ten million, one hundred twenty-one thousand, nine hundred eighty-two".