110111102201221 has 12 divisors (see below), whose sum is σ = 121034419860256. Its totient is φ = 100098348478920.

The previous prime is 110111102201207. The next prime is 110111102201279. The reversal of 110111102201221 is 122102201111011.

It is not a de Polignac number, because 110111102201221 - 2¹⁵ = 110111102168453 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 110111102201195 and 110111102201204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (110111108201221) 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, 7470831 + ... + 16614316.

Almost surely, 2^{110111102201221} is an apocalyptic number.

110111102201221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

110111102201221 is a deficient number, since it is larger than the sum of its proper divisors (10923317659035).

110111102201221 is a wasteful number, since it uses less digits than its factorization.

110111102201221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24122952 (or 24122941 counting only the distinct ones).

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

Adding to 110111102201221 its reverse (122102201111011), we get a palindrome (232213303312232).

The spelling of 110111102201221 in words is "one hundred ten trillion, one hundred eleven billion, one hundred two million, two hundred one thousand, two hundred twenty-one".