111123300220 has 24 divisors (see below), whose sum is σ = 233504031600. Its totient is φ = 44421681792.

The previous prime is 111123300203. The next prime is 111123300227. The reversal of 111123300220 is 22003321111.

It is a junction number, because it is equal to n+sod(n) for n = 111123300194 and 111123300203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111123300227) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1694410 + ... + 1758769.

It is an arithmetic number, because the mean of its divisors is an integer number (9729334650).

Almost surely, 2^111123300220 is an apocalyptic number.

111123300220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111123300220 is an abundant number, since it is smaller than the sum of its proper divisors (122380731380).

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

111123300220 is a wasteful number, since it uses less digits than its factorization.

111123300220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3454797 (or 3454795 counting only the distinct ones).

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

Adding to 111123300220 its reverse (22003321111), we get a palindrome (133126621331).

The spelling of 111123300220 in words is "one hundred eleven billion, one hundred twenty-three million, three hundred thousand, two hundred twenty".