110112220121 has 16 divisors (see below), whose sum is σ = 112543919424. Its totient is φ = 107707025664.

The previous prime is 110112220091. The next prime is 110112220147. The reversal of 110112220121 is 121022211011.

It is a cyclic number.

It is not a de Polignac number, because 110112220121 - 2¹⁰ = 110112219097 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 110112220096 and 110112220105.

It is not an unprimeable number, because it can be changed into a prime (110112220181) 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 15 ways as a sum of consecutive naturals, for example, 11626430 + ... + 11635896.

It is an arithmetic number, because the mean of its divisors is an integer number (7033994964).

Almost surely, 2^110112220121 is an apocalyptic number.

It is an amenable number.

110112220121 is a deficient number, since it is larger than the sum of its proper divisors (2431699303).

110112220121 is a wasteful number, since it uses less digits than its factorization.

110112220121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10840.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 110112220121 its reverse (121022211011), we get a palindrome (231134431132).

The spelling of 110112220121 in words is "one hundred ten billion, one hundred twelve million, two hundred twenty thousand, one hundred twenty-one".