111100022220000 has 960 divisors, whose sum is σ = 410050603404288. Its totient is φ = 26098560000000.

The previous prime is 111100022219993. The next prime is 111100022220017. The reversal of 111100022220000 is 22220001111.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a zygodrome in base 10.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 3133002270 + ... + 3133037730.

Almost surely, 2^{111100022220000} is an apocalyptic number.

111100022220000 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 111100022220000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (205025301702144).

111100022220000 is an abundant number, since it is smaller than the sum of its proper divisors (298950581184288).

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

111100022220000 is a wasteful number, since it uses less digits than its factorization.

111100022220000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35653 (or 35630 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 111100022220000 its reverse (22220001111), we get a palindrome (111122242221111).

The spelling of 111100022220000 in words is "one hundred eleven trillion, one hundred billion, twenty-two million, two hundred twenty thousand".