110221220020 has 48 divisors (see below), whose sum is σ = 233868031488. Its totient is φ = 43631533440.

The previous prime is 110221220003. The next prime is 110221220059. The reversal of 110221220020 is 20022122011.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2094754 + ... + 2146726.

It is an arithmetic number, because the mean of its divisors is an integer number (4872250656).

Almost surely, 2^110221220020 is an apocalyptic number.

110221220020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

110221220020 is an abundant number, since it is smaller than the sum of its proper divisors (123646811468).

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

110221220020 is a wasteful number, since it uses less digits than its factorization.

110221220020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53080 (or 53078 counting only the distinct ones).

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

Adding to 110221220020 its reverse (20022122011), we get a palindrome (130243342031).

The spelling of 110221220020 in words is "one hundred ten billion, two hundred twenty-one million, two hundred twenty thousand, twenty".