110221102220020 has 48 divisors (see below), whose sum is σ = 252537206737536. Its totient is φ = 40075530704000.

The previous prime is 110221102220017. The next prime is 110221102220057. The reversal of 110221102220020 is 20022201122011.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 110221102219976 and 110221102220003.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28623211 + ... + 32244850.

It is an arithmetic number, because the mean of its divisors is an integer number (5261191807032).

Almost surely, 2^{110221102220020} is an apocalyptic number.

110221102220020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

110221102220020 is an abundant number, since it is smaller than the sum of its proper divisors (142316104517516).

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

110221102220020 is a wasteful number, since it uses less digits than its factorization.

110221102220020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60876312 (or 60876310 counting only the distinct ones).

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

Adding to 110221102220020 its reverse (20022201122011), we get a palindrome (130243303342031).

The spelling of 110221102220020 in words is "one hundred ten trillion, two hundred twenty-one billion, one hundred two million, two hundred twenty thousand, twenty".