110100111220 has 48 divisors (see below), whose sum is σ = 256504449600. Its totient is φ = 39357816320.

The previous prime is 110100111181. The next prime is 110100111241. The reversal of 110100111220 is 22111001011.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a junction number, because it is equal to n+sod(n) for n = 110100111197 and 110100111206.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4228165 + ... + 4254124.

It is an arithmetic number, because the mean of its divisors is an integer number (5343842700).

Almost surely, 2^110100111220 is an apocalyptic number.

110100111220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

110100111220 is an abundant number, since it is smaller than the sum of its proper divisors (146404338380).

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

110100111220 is a wasteful number, since it uses less digits than its factorization.

110100111220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8482368 (or 8482366 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 110100111220 its reverse (22111001011), we get a palindrome (132211112231).

The spelling of 110100111220 in words is "one hundred ten billion, one hundred million, one hundred eleven thousand, two hundred twenty".