110021220020 has 12 divisors (see below), whose sum is σ = 231044562084. Its totient is φ = 44008488000.

The previous prime is 110021219999. The next prime is 110021220077. The reversal of 110021220020 is 20022120011.

It is a happy number.

110021220020 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 11009045776 + 99012174244 = 104924^2 + 314662^2 .

It is a junction number, because it is equal to n+sod(n) for n = 110021219983 and 110021220010.

It is a congruent number.

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, 2750530481 + ... + 2750530520.

It is an arithmetic number, because the mean of its divisors is an integer number (19253713507).

Almost surely, 2^110021220020 is an apocalyptic number.

110021220020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

110021220020 is an abundant number, since it is smaller than the sum of its proper divisors (121023342064).

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

110021220020 is a wasteful number, since it uses less digits than its factorization.

110021220020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5501061010 (or 5501061008 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 110021220020 its reverse (20022120011), we get a palindrome (130043340031).

The spelling of 110021220020 in words is "one hundred ten billion, twenty-one million, two hundred twenty thousand, twenty".