111201221011000 has 64 divisors (see below), whose sum is σ = 260263767816000. Its totient is φ = 44471443849600.

The previous prime is 111201221010989. The next prime is 111201221011009. The reversal of 111201221011000 is 110122102111.

It is a happy number.

111201221011000 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111201221011009) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6384235 + ... + 16222234.

It is an arithmetic number, because the mean of its divisors is an integer number (4066621372125).

Almost surely, 2^{111201221011000} is an apocalyptic number.

111201221011000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111201221011000 is an abundant number, since it is smaller than the sum of its proper divisors (149062546805000).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

111201221011000 is a wasteful number, since it uses less digits than its factorization.

111201221011000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22611409 (or 22611395 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 111201221011000 its reverse (110122102111), we get a palindrome (111311343113111).

The spelling of 111201221011000 in words is "one hundred eleven trillion, two hundred one billion, two hundred twenty-one million, eleven thousand".