111222213320 has 32 divisors (see below), whose sum is σ = 250275640320. Its totient is φ = 44484323520.

The previous prime is 111222213287. The next prime is 111222213359. The reversal of 111222213320 is 23312222111.

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 = 111222213292 and 111222213301.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 266939 + ... + 541941.

It is an arithmetic number, because the mean of its divisors is an integer number (7821113760).

Almost surely, 2^111222213320 is an apocalyptic number.

111222213320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111222213320 is an abundant number, since it is smaller than the sum of its proper divisors (139053427000).

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

111222213320 is a wasteful number, since it uses less digits than its factorization.

111222213320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 285125 (or 285121 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 111222213320 its reverse (23312222111), we get a palindrome (134534435431).

The spelling of 111222213320 in words is "one hundred eleven billion, two hundred twenty-two million, two hundred thirteen thousand, three hundred twenty".