110202221220 has 96 divisors (see below), whose sum is σ = 379773827328. Its totient is φ = 23251456512.

The previous prime is 110202221219. The next prime is 110202221221. The reversal of 110202221220 is 22122202011.

It is an interprime number because it is at equal distance from previous prime (110202221219) and next prime (110202221221).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 110202221220.

It is not an unprimeable number, because it can be changed into a prime (110202221221) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10086319 + ... + 10097238.

It is an arithmetic number, because the mean of its divisors is an integer number (3955977368).

Almost surely, 2^110202221220 is an apocalyptic number.

110202221220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

110202221220 is an abundant number, since it is smaller than the sum of its proper divisors (269571606108).

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

110202221220 is a wasteful number, since it uses less digits than its factorization.

110202221220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20183589 (or 20183587 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 110202221220 its reverse (22122202011), we get a palindrome (132324423231).

The spelling of 110202221220 in words is "one hundred ten billion, two hundred two million, two hundred twenty-one thousand, two hundred twenty".