111322203220 has 12 divisors (see below), whose sum is σ = 233776626804. Its totient is φ = 44528881280.

The previous prime is 111322203199. The next prime is 111322203259. The reversal of 111322203220 is 22302223111.

It can be written as a sum of positive squares in 2 ways, for example, as 63489888784 + 47832314436 = 251972^2 + 218706^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2783055061 + ... + 2783055100.

It is an arithmetic number, because the mean of its divisors is an integer number (19481385567).

Almost surely, 2^111322203220 is an apocalyptic number.

111322203220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111322203220 is an abundant number, since it is smaller than the sum of its proper divisors (122454423584).

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

111322203220 is a wasteful number, since it uses less digits than its factorization.

111322203220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5566110170 (or 5566110168 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 111322203220 its reverse (22302223111), we get a palindrome (133624426331).

The spelling of 111322203220 in words is "one hundred eleven billion, three hundred twenty-two million, two hundred three thousand, two hundred twenty".