111022111220000 has 240 divisors, whose sum is σ = 276739242595200. Its totient is φ = 43822796160000.

The previous prime is 111022111219993. The next prime is 111022111220023. The reversal of 111022111220000 is 22111220111.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 3050961806 + ... + 3050998194.

It is an arithmetic number, because the mean of its divisors is an integer number (1153080177480).

Almost surely, 2^{111022111220000} is an apocalyptic number.

111022111220000 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 111022111220000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (138369621297600).

111022111220000 is an abundant number, since it is smaller than the sum of its proper divisors (165717131375200).

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

111022111220000 is an equidigital number, since it uses as much as digits as its factorization.

111022111220000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38429 (or 38406 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 111022111220000 its reverse (22111220111), we get a palindrome (111044222440111).

It can be divided in two parts, 111022111 and 220000, that added together give a palindrome (111242111).

The spelling of 111022111220000 in words is "one hundred eleven trillion, twenty-two billion, one hundred eleven million, two hundred twenty thousand".