111102200220 has 48 divisors (see below), whose sum is σ = 339366722688. Its totient is φ = 26933866560.

The previous prime is 111102200207. The next prime is 111102200221. The reversal of 111102200220 is 22002201111.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 111102200196 and 111102200205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111102200221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 84167674 + ... + 84168993.

It is an arithmetic number, because the mean of its divisors is an integer number (7070140056).

Almost surely, 2^111102200220 is an apocalyptic number.

111102200220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111102200220 is an abundant number, since it is smaller than the sum of its proper divisors (228264522468).

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

111102200220 is a wasteful number, since it uses less digits than its factorization.

111102200220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168336690 (or 168336688 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 111102200220 its reverse (22002201111), we get a palindrome (133104401331).

The spelling of 111102200220 in words is "one hundred eleven billion, one hundred two million, two hundred thousand, two hundred twenty".