111441220112 has 10 divisors (see below), whose sum is σ = 215917363998. Its totient is φ = 55720610048.

The previous prime is 111441220109. The next prime is 111441220127. The reversal of 111441220112 is 211022144111.

It can be written as a sum of positive squares in only one way, i.e., 66969158656 + 44472061456 = 258784^2 + 210884^2 .

It is a super-3 number, since 3×111441220112³ (a number of 34 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3482538113 + ... + 3482538144.

Almost surely, 2^111441220112 is an apocalyptic number.

It is an amenable number.

111441220112 is a deficient number, since it is larger than the sum of its proper divisors (104476143886).

111441220112 is an equidigital number, since it uses as much as digits as its factorization.

111441220112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6965076265 (or 6965076259 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 111441220112 its reverse (211022144111), we get a palindrome (322463364223).

The spelling of 111441220112 in words is "one hundred eleven billion, four hundred forty-one million, two hundred twenty thousand, one hundred twelve".