111020323120 has 120 divisors (see below), whose sum is σ = 303238658448. Its totient is φ = 37687104000.

The previous prime is 111020323111. The next prime is 111020323123. The reversal of 111020323120 is 21323020111.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a junction number, because it is equal to n+sod(n) for n = 111020323094 and 111020323103.

It is not an unprimeable number, because it can be changed into a prime (111020323123) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 255715 + ... + 536125.

Almost surely, 2^111020323120 is an apocalyptic number.

111020323120 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 111020323120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (151619329224).

111020323120 is an abundant number, since it is smaller than the sum of its proper divisors (192218335328).

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

111020323120 is a wasteful number, since it uses less digits than its factorization.

111020323120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 280539 (or 280526 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 111020323120 its reverse (21323020111), we get a palindrome (132343343231).

The spelling of 111020323120 in words is "one hundred eleven billion, twenty million, three hundred twenty-three thousand, one hundred twenty".