110212211212220 has 96 divisors (see below), whose sum is σ = 262428753787200. Its totient is φ = 38542967783424.

The previous prime is 110212211212097. The next prime is 110212211212223. The reversal of 110212211212220 is 22212112212011.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 110212211212192 and 110212211212201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (110212211212223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 18586802 + ... + 23788518.

It is an arithmetic number, because the mean of its divisors is an integer number (2733632851950).

Almost surely, 2^{110212211212220} is an apocalyptic number.

110212211212220 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 110212211212220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (131214376893600).

110212211212220 is an abundant number, since it is smaller than the sum of its proper divisors (152216542574980).

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

110212211212220 is a wasteful number, since it uses less digits than its factorization.

110212211212220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5206047 (or 5206045 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 110212211212220 its reverse (22212112212011), we get a palindrome (132424323424231).

The spelling of 110212211212220 in words is "one hundred ten trillion, two hundred twelve billion, two hundred eleven million, two hundred twelve thousand, two hundred twenty".