110212220020 has 144 divisors (see below), whose sum is σ = 279123546240. Its totient is φ = 36404557056.

The previous prime is 110212220009. The next prime is 110212220023. The reversal of 110212220020 is 20022212011.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (110212220023) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 13836559 + ... + 13844521.

It is an arithmetic number, because the mean of its divisors is an integer number (1938357960).

Almost surely, 2^110212220020 is an apocalyptic number.

110212220020 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 110212220020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (139561773120).

110212220020 is an abundant number, since it is smaller than the sum of its proper divisors (168911326220).

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

110212220020 is a wasteful number, since it uses less digits than its factorization.

110212220020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8502 (or 8493 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 110212220020 its reverse (20022212011), we get a palindrome (130234432031).

The spelling of 110212220020 in words is "one hundred ten billion, two hundred twelve million, two hundred twenty thousand, twenty".