111020202220220 has 96 divisors (see below), whose sum is σ = 241423590804480. Its totient is φ = 42833806695680.

The previous prime is 111020202220199. The next prime is 111020202220297. The reversal of 111020202220220 is 22022202020111.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2667003047 + ... + 2667044673.

It is an arithmetic number, because the mean of its divisors is an integer number (2514829070880).

Almost surely, 2^{111020202220220} is an apocalyptic number.

111020202220220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111020202220220 is an abundant number, since it is smaller than the sum of its proper divisors (130403388584260).

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

111020202220220 is a wasteful number, since it uses less digits than its factorization.

111020202220220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46163 (or 46161 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 111020202220220 its reverse (22022202020111), we get a palindrome (133042404240331).

The spelling of 111020202220220 in words is "one hundred eleven trillion, twenty billion, two hundred two million, two hundred twenty thousand, two hundred twenty".