111021220022200 has 96 divisors (see below), whose sum is σ = 268500455496000. Its totient is φ = 42640270041600.

The previous prime is 111021220022197. The next prime is 111021220022221. The reversal of 111021220022200 is 2220022120111.

It is a happy number.

It is a super-2 number, since 2×111021220022200² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 51827520 + ... + 53927119.

It is an arithmetic number, because the mean of its divisors is an integer number (2796879744750).

Almost surely, 2^{111021220022200} is an apocalyptic number.

111021220022200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111021220022200 is an abundant number, since it is smaller than the sum of its proper divisors (157479235473800).

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

111021220022200 is a wasteful number, since it uses less digits than its factorization.

111021220022200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105754865 (or 105754856 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 111021220022200 its reverse (2220022120111), we get a palindrome (113241242142311).

The spelling of 111021220022200 in words is "one hundred eleven trillion, twenty-one billion, two hundred twenty million, twenty-two thousand, two hundred".