110221220102020 has 12 divisors (see below), whose sum is σ = 231464562214284. Its totient is φ = 44088488040800.

The previous prime is 110221220101969. The next prime is 110221220102047. The reversal of 110221220102020 is 20201022122011.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 60302586444676 + 49918633657344 = 7765474^2 + 7065312^2 .

It is a junction number, because it is equal to n+sod(n) for n = 110221220101985 and 110221220102003.

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, 2755530502531 + ... + 2755530502570.

It is an arithmetic number, because the mean of its divisors is an integer number (19288713517857).

Almost surely, 2^{110221220102020} is an apocalyptic number.

110221220102020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

110221220102020 is an abundant number, since it is smaller than the sum of its proper divisors (121243342112264).

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

110221220102020 is a wasteful number, since it uses less digits than its factorization.

110221220102020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5511061005110 (or 5511061005108 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 110221220102020 its reverse (20201022122011), we get a palindrome (130422242224031).

The spelling of 110221220102020 in words is "one hundred ten trillion, two hundred twenty-one billion, two hundred twenty million, one hundred two thousand, twenty".