110121220201221 has 12 divisors (see below), whose sum is σ = 159104448786400. Its totient is φ = 73395471084840.

The previous prime is 110121220201159. The next prime is 110121220201249. The reversal of 110121220201221 is 122102022121011.

110121220201221 is a `hidden beast` number, since 1 + 1 + 0 + 1 + 21 + 220 + 201 + 221 = 666.

It is not a de Polignac number, because 110121220201221 - 2⁷ = 110121220201093 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 110121220201194 and 110121220201203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (110121220201261) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1556272321 + ... + 1556343078.

Almost surely, 2^{110121220201221} is an apocalyptic number.

It is an amenable number.

110121220201221 is a deficient number, since it is larger than the sum of its proper divisors (48983228585179).

110121220201221 is a wasteful number, since it uses less digits than its factorization.

110121220201221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3112619336 (or 3112619333 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 110121220201221 its reverse (122102022121011), we get a palindrome (232223242322232).

The spelling of 110121220201221 in words is "one hundred ten trillion, one hundred twenty-one billion, two hundred twenty million, two hundred one thousand, two hundred twenty-one".