110221234220 has 12 divisors (see below), whose sum is σ = 231464591904. Its totient is φ = 44088493680.

The previous prime is 110221234217. The next prime is 110221234243. The reversal of 110221234220 is 22432122011.

It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 5511061711 = 110221234220 / (1 + 1 + 0 + 2 + 2 + 1 + 2 + 3 + 4 + 2 + 2 + 0).

It is a junction number, because it is equal to n+sod(n) for n = 110221234192 and 110221234201.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2755530836 + ... + 2755530875.

It is an arithmetic number, because the mean of its divisors is an integer number (19288715992).

Almost surely, 2^110221234220 is an apocalyptic number.

110221234220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

110221234220 is an abundant number, since it is smaller than the sum of its proper divisors (121243357684).

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

110221234220 is a wasteful number, since it uses less digits than its factorization.

110221234220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5511061720 (or 5511061718 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 110221234220 its reverse (22432122011), we get a palindrome (132653356231).

The spelling of 110221234220 in words is "one hundred ten billion, two hundred twenty-one million, two hundred thirty-four thousand, two hundred twenty".