110220122212221 has 24 divisors (see below), whose sum is σ = 170992539557280. Its totient is φ = 62968602541152.

The previous prime is 110220122212217. The next prime is 110220122212231. The reversal of 110220122212221 is 122212221022011.

It is not a de Polignac number, because 110220122212221 - 2² = 110220122212217 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (110220122212201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 84615951 + ... + 85908668.

It is an arithmetic number, because the mean of its divisors is an integer number (7124689148220).

Almost surely, 2^{110220122212221} is an apocalyptic number.

It is an amenable number.

110220122212221 is a deficient number, since it is larger than the sum of its proper divisors (60772417345059).

110220122212221 is a wasteful number, since it uses less digits than its factorization.

110220122212221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170529033 (or 170529026 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 21.

Adding to 110220122212221 its reverse (122212221022011), we get a palindrome (232432343234232).

The spelling of 110220122212221 in words is "one hundred ten trillion, two hundred twenty billion, one hundred twenty-two million, two hundred twelve thousand, two hundred twenty-one".