111222011110000 has 400 divisors, whose sum is σ = 319780239167488. Its totient is φ = 36658656000000.

The previous prime is 111222011109983. The next prime is 111222011110051. The reversal of 111222011110000 is 11110222111.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (400).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 327500284 + ... + 327839716.

Almost surely, 2^{111222011110000} is an apocalyptic number.

111222011110000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 111222011110000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (159890119583744).

111222011110000 is an abundant number, since it is smaller than the sum of its proper divisors (208558228057488).

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

111222011110000 is a wasteful number, since it uses less digits than its factorization.

111222011110000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 339650 (or 339629 counting only the distinct ones).

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

Adding to 111222011110000 its reverse (11110222111), we get a palindrome (111233121332111).

The spelling of 111222011110000 in words is "one hundred eleven trillion, two hundred twenty-two billion, eleven million, one hundred ten thousand".