110322021220 has 96 divisors (see below), whose sum is σ = 247200750720. Its totient is φ = 41213061120.

The previous prime is 110322021217. The next prime is 110322021221. The reversal of 110322021220 is 22120223011.

It is a happy number.

It is a super-2 number, since 2×110322021220² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 110322021194 and 110322021203.

It is not an unprimeable number, because it can be changed into a prime (110322021221) 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, 28062655 + ... + 28066585.

It is an arithmetic number, because the mean of its divisors is an integer number (2575007820).

Almost surely, 2^110322021220 is an apocalyptic number.

110322021220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 110322021220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (123600375360).

110322021220 is an abundant number, since it is smaller than the sum of its proper divisors (136878729500).

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

110322021220 is a wasteful number, since it uses less digits than its factorization.

110322021220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4573 (or 4571 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 110322021220 its reverse (22120223011), we get a palindrome (132442244231).

The spelling of 110322021220 in words is "one hundred ten billion, three hundred twenty-two million, twenty-one thousand, two hundred twenty".