111301232102120 has 128 divisors (see below), whose sum is σ = 262654790400000. Its totient is φ = 42366677633280.

The previous prime is 111301232102089. The next prime is 111301232102141. The reversal of 111301232102120 is 21201232103111.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 111301232102092 and 111301232102101.

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 31 ways as a sum of consecutive naturals, for example, 2398141715 + ... + 2398188125.

It is an arithmetic number, because the mean of its divisors is an integer number (2051990550000).

Almost surely, 2^{111301232102120} is an apocalyptic number.

111301232102120 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 111301232102120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (131327395200000).

111301232102120 is an abundant number, since it is smaller than the sum of its proper divisors (151353558297880).

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

111301232102120 is a wasteful number, since it uses less digits than its factorization.

111301232102120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59743 (or 59739 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 111301232102120 its reverse (21201232103111), we get a palindrome (132502464205231).

Subtracting from 111301232102120 its reverse (21201232103111), we obtain a palindrome (90099999999009).

The spelling of 111301232102120 in words is "one hundred eleven trillion, three hundred one billion, two hundred thirty-two million, one hundred two thousand, one hundred twenty".