110220223212 has 72 divisors (see below), whose sum is σ = 304293749760. Its totient is φ = 33361261920.

The previous prime is 110220223189. The next prime is 110220223219. The reversal of 110220223212 is 212322022011.

110220223212 is a `hidden beast` number, since 1 + 10 + 220 + 223 + 212 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (110220223219) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 180489 + ... + 503007.

It is an arithmetic number, because the mean of its divisors is an integer number (4226302080).

Almost surely, 2^110220223212 is an apocalyptic number.

110220223212 is a gapful number since it is divisible by the number (12) 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 110220223212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (152146874880).

110220223212 is an abundant number, since it is smaller than the sum of its proper divisors (194073526548).

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

110220223212 is a wasteful number, since it uses less digits than its factorization.

110220223212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 323403 (or 323398 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 110220223212 its reverse (212322022011), we get a palindrome (322542245223).

The spelling of 110220223212 in words is "one hundred ten billion, two hundred twenty million, two hundred twenty-three thousand, two hundred twelve".