110217112820 has 12 divisors (see below), whose sum is σ = 231455936964. Its totient is φ = 44086845120.

The previous prime is 110217112781. The next prime is 110217112823. The reversal of 110217112820 is 28211712011.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 60987265936 + 49229846884 = 246956^2 + 221878^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 110217112820.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (110217112823) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2755427801 + ... + 2755427840.

It is an arithmetic number, because the mean of its divisors is an integer number (19287994747).

Almost surely, 2^110217112820 is an apocalyptic number.

110217112820 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

110217112820 is an abundant number, since it is smaller than the sum of its proper divisors (121238824144).

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

110217112820 is a wasteful number, since it uses less digits than its factorization.

110217112820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5510855650 (or 5510855648 counting only the distinct ones).

The product of its (nonzero) digits is 448, while the sum is 26.

Adding to 110217112820 its reverse (28211712011), we get a palindrome (138428824831).

The spelling of 110217112820 in words is "one hundred ten billion, two hundred seventeen million, one hundred twelve thousand, eight hundred twenty".