111000002101120 has 128 divisors (see below), whose sum is σ = 289608374008800. Its totient is φ = 40346150215680.

The previous prime is 111000002101103. The next prime is 111000002101123. The reversal of 111000002101120 is 21101200000111.

It is a tau number, because it is divible by the number of its divisors (128).

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a junction number, because it is equal to n+sod(n) for n = 111000002101097 and 111000002101106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111000002101123) 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, 12841102 + ... + 19669618.

Almost surely, 2^{111000002101120} is an apocalyptic number.

111000002101120 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 111000002101120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (144804187004400).

111000002101120 is an abundant number, since it is smaller than the sum of its proper divisors (178608371907680).

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

111000002101120 is a wasteful number, since it uses less digits than its factorization.

111000002101120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6830856 (or 6830844 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 111000002101120 its reverse (21101200000111), we get a palindrome (132101202101231).

The spelling of 111000002101120 in words is "one hundred eleven trillion, two million, one hundred one thousand, one hundred twenty".