111101110021120 has 176 divisors, whose sum is σ = 268061821705440. Its totient is φ = 44182819045376.

The previous prime is 111101110021093. The next prime is 111101110021129. The reversal of 111101110021120 is 21120011101111.

It is a self number, because there is not a number n which added to its sum of digits gives 111101110021120.

It is not an unprimeable number, because it can be changed into a prime (111101110021129) 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, 628478664 + ... + 628655416.

Almost surely, 2^{111101110021120} is an apocalyptic number.

111101110021120 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 111101110021120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (134030910852720).

111101110021120 is an abundant number, since it is smaller than the sum of its proper divisors (156960711684320).

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

111101110021120 is a wasteful number, since it uses less digits than its factorization.

111101110021120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177490 (or 177472 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 13.

Adding to 111101110021120 its reverse (21120011101111), we get a palindrome (132221121122231).

The spelling of 111101110021120 in words is "one hundred eleven trillion, one hundred one billion, one hundred ten million, twenty-one thousand, one hundred twenty".