111103022220 has 48 divisors (see below), whose sum is σ = 316188283488. Its totient is φ = 29141775360.

The previous prime is 111103022201. The next prime is 111103022227. The reversal of 111103022220 is 22220301111.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 111103022220.

It is not an unprimeable number, because it can be changed into a prime (111103022227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15174349 + ... + 15181668.

It is an arithmetic number, because the mean of its divisors is an integer number (6587255906).

Almost surely, 2^111103022220 is an apocalyptic number.

111103022220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111103022220 is an abundant number, since it is smaller than the sum of its proper divisors (205085261268).

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

111103022220 is a wasteful number, since it uses less digits than its factorization.

111103022220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30356090 (or 30356088 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 111103022220 its reverse (22220301111), we get a palindrome (133323323331).

The spelling of 111103022220 in words is "one hundred eleven billion, one hundred three million, twenty-two thousand, two hundred twenty".