111103213320220 has 24 divisors (see below), whose sum is σ = 254527361425008. Its totient is φ = 40401168480000.

The previous prime is 111103213320157. The next prime is 111103213320233. The reversal of 111103213320220 is 22023312301111.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 111103213320191 and 111103213320200.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 252507302781 + ... + 252507303220.

It is an arithmetic number, because the mean of its divisors is an integer number (10605306726042).

Almost surely, 2^{111103213320220} is an apocalyptic number.

111103213320220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111103213320220 is an abundant number, since it is smaller than the sum of its proper divisors (143424148104788).

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

111103213320220 is a wasteful number, since it uses less digits than its factorization.

111103213320220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 505014606021 (or 505014606019 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 111103213320220 its reverse (22023312301111), we get a palindrome (133126525621331).

The spelling of 111103213320220 in words is "one hundred eleven trillion, one hundred three billion, two hundred thirteen million, three hundred twenty thousand, two hundred twenty".