222112110121 has 32 divisors (see below), whose sum is σ = 257940587520. Its totient is φ = 189140702400.

The previous prime is 222112110067. The next prime is 222112110151. The reversal of 222112110121 is 121011211222.

It is a cyclic number.

It is not a de Polignac number, because 222112110121 - 2¹¹ = 222112108073 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 222112110095 and 222112110104.

It is not an unprimeable number, because it can be changed into a prime (222112110151) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7569340 + ... + 7598626.

It is an arithmetic number, because the mean of its divisors is an integer number (8060643360).

Almost surely, 2^222112110121 is an apocalyptic number.

It is an amenable number.

222112110121 is a deficient number, since it is larger than the sum of its proper divisors (35828477399).

222112110121 is a wasteful number, since it uses less digits than its factorization.

222112110121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29725.

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

Adding to 222112110121 its reverse (121011211222), we get a palindrome (343123321343).

It can be divided in two parts, 222112 and 110121, that added together give a palindrome (332233).

The spelling of 222112110121 in words is "two hundred twenty-two billion, one hundred twelve million, one hundred ten thousand, one hundred twenty-one".