111213202120 has 64 divisors (see below), whose sum is σ = 251281491840. Its totient is φ = 44298508800.

The previous prime is 111213202031. The next prime is 111213202123. The reversal of 111213202120 is 21202312111.

111213202120 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 111213202094 and 111213202103.

It is not an unprimeable number, because it can be changed into a prime (111213202123) 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, 30694629 + ... + 30698251.

It is an arithmetic number, because the mean of its divisors is an integer number (3926273310).

Almost surely, 2^111213202120 is an apocalyptic number.

111213202120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111213202120 is an abundant number, since it is smaller than the sum of its proper divisors (140068289720).

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

111213202120 is a wasteful number, since it uses less digits than its factorization.

111213202120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6646 (or 6642 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 111213202120 its reverse (21202312111), we get a palindrome (132415514231).

The spelling of 111213202120 in words is "one hundred eleven billion, two hundred thirteen million, two hundred two thousand, one hundred twenty".