110221020221 has 16 divisors (see below), whose sum is σ = 119078762880. Its totient is φ = 101417883840.

The previous prime is 110221020199. The next prime is 110221020227. The reversal of 110221020221 is 122020122011.

It is a de Polignac number, because none of the positive numbers 2^k-110221020221 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 110221020196 and 110221020205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (110221020227) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6674651 + ... + 6691143.

It is an arithmetic number, because the mean of its divisors is an integer number (7442422680).

Almost surely, 2^110221020221 is an apocalyptic number.

It is an amenable number.

110221020221 is a deficient number, since it is larger than the sum of its proper divisors (8857742659).

110221020221 is a wasteful number, since it uses less digits than its factorization.

110221020221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18116.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 110221020221 its reverse (122020122011), we get a palindrome (232241142232).

The spelling of 110221020221 in words is "one hundred ten billion, two hundred twenty-one million, twenty thousand, two hundred twenty-one".