111100212102220 has 48 divisors (see below), whose sum is σ = 255289430140416. Its totient is φ = 40278022488000.

The previous prime is 111100212102151. The next prime is 111100212102227. The reversal of 111100212102220 is 22201212001111.

It is a junction number, because it is equal to n+sod(n) for n = 111100212102194 and 111100212102203.

It is not an unprimeable number, because it can be changed into a prime (111100212102227) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 762768516 + ... + 762914155.

It is an arithmetic number, because the mean of its divisors is an integer number (5318529794592).

Almost surely, 2^{111100212102220} is an apocalyptic number.

111100212102220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111100212102220 is an abundant number, since it is smaller than the sum of its proper divisors (144189218038196).

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

111100212102220 is a wasteful number, since it uses less digits than its factorization.

111100212102220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1525683022 (or 1525683020 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 111100212102220 its reverse (22201212001111), we get a palindrome (133301424103331).

The spelling of 111100212102220 in words is "one hundred eleven trillion, one hundred billion, two hundred twelve million, one hundred two thousand, two hundred twenty".