110121120110221 has 16 divisors (see below), whose sum is σ = 120634839927360. Its totient is φ = 99691598897280.

The previous prime is 110121120110189. The next prime is 110121120110233. The reversal of 110121120110221 is 122011021121011.

It is a cyclic number.

It is not a de Polignac number, because 110121120110221 - 2⁵ = 110121120110189 is a prime.

It is a super-2 number, since 2×110121120110221² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 110121120110195 and 110121120110204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (110121120110921) by changing a digit.

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, 5020576 + ... + 15666793.

It is an arithmetic number, because the mean of its divisors is an integer number (7539677495460).

Almost surely, 2^{110121120110221} is an apocalyptic number.

110121120110221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

110121120110221 is a deficient number, since it is larger than the sum of its proper divisors (10513719817139).

110121120110221 is a wasteful number, since it uses less digits than its factorization.

110121120110221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20689404.

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

Adding to 110121120110221 its reverse (122011021121011), we get a palindrome (232132141231232).

The spelling of 110121120110221 in words is "one hundred ten trillion, one hundred twenty-one billion, one hundred twenty million, one hundred ten thousand, two hundred twenty-one".