110122022221221 has 24 divisors (see below), whose sum is σ = 156188990601280. Its totient is φ = 69001127534592.

The previous prime is 110122022221207. The next prime is 110122022221243. The reversal of 110122022221221 is 122122220221011.

It is not a de Polignac number, because 110122022221221 - 2⁷ = 110122022221093 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (110122022221271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 86725276 + ... + 87985893.

Almost surely, 2^{110122022221221} is an apocalyptic number.

It is an amenable number.

110122022221221 is a deficient number, since it is larger than the sum of its proper divisors (46066968380059).

110122022221221 is a wasteful number, since it uses less digits than its factorization.

110122022221221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174711933 (or 174711916 counting only the distinct ones).

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

Adding to 110122022221221 its reverse (122122220221011), we get a palindrome (232244242442232).

The spelling of 110122022221221 in words is "one hundred ten trillion, one hundred twenty-two billion, twenty-two million, two hundred twenty-one thousand, two hundred twenty-one".