110121200112221 has 16 divisors (see below), whose sum is σ = 111248119699200. Its totient is φ = 108999688607040.

The previous prime is 110121200112193. The next prime is 110121200112281. The reversal of 110121200112221 is 122211002121011.

It is a cyclic number.

It is not a de Polignac number, because 110121200112221 - 2⁴⁶ = 39752455934557 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 110121200112221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (110121200112281) 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, 137852726 + ... + 138649256.

It is an arithmetic number, because the mean of its divisors is an integer number (6953007481200).

Almost surely, 2^{110121200112221} is an apocalyptic number.

It is an amenable number.

110121200112221 is a deficient number, since it is larger than the sum of its proper divisors (1126919586979).

110121200112221 is a wasteful number, since it uses less digits than its factorization.

110121200112221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 799924.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 110121200112221 its reverse (122211002121011), we get a palindrome (232332202233232).

The spelling of 110121200112221 in words is "one hundred ten trillion, one hundred twenty-one billion, two hundred million, one hundred twelve thousand, two hundred twenty-one".