110112222121 has 16 divisors (see below), whose sum is σ = 121336128576. Its totient is φ = 99091000000.

The previous prime is 110112222119. The next prime is 110112222151. The reversal of 110112222121 is 121222211011.

It is a cyclic number.

It is not a de Polignac number, because 110112222121 - 2¹ = 110112222119 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 110112222095 and 110112222104.

It is not an unprimeable number, because it can be changed into a prime (110112222151) 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, 10939431 + ... + 10949491.

It is an arithmetic number, because the mean of its divisors is an integer number (7583508036).

Almost surely, 2^110112222121 is an apocalyptic number.

110112222121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

110112222121 is a deficient number, since it is larger than the sum of its proper divisors (11223906455).

110112222121 is a wasteful number, since it uses less digits than its factorization.

110112222121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20024.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 110112222121 its reverse (121222211011), we get a palindrome (231334433132).

It can be divided in two parts, 110112 and 222121, that added together give a palindrome (332233).

The spelling of 110112222121 in words is "one hundred ten billion, one hundred twelve million, two hundred twenty-two thousand, one hundred twenty-one".