2222112001123 has 32 divisors (see below), whose sum is σ = 2681332093440. Its totient is φ = 1798952613120.

The previous prime is 2222112001117. The next prime is 2222112001229. The reversal of 2222112001123 is 3211002112222.

It is not a de Polignac number, because 2222112001123 - 2⁵ = 2222112001091 is a prime.

It is a super-2 number, since 2×2222112001123² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a self number, because there is not a number n which added to its sum of digits gives 2222112001123.

It is not an unprimeable number, because it can be changed into a prime (2222112901123) 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, 60508215 + ... + 60544927.

It is an arithmetic number, because the mean of its divisors is an integer number (83791627920).

Almost surely, 2^{2222112001123} is an apocalyptic number.

2222112001123 is a deficient number, since it is larger than the sum of its proper divisors (459220092317).

2222112001123 is a wasteful number, since it uses less digits than its factorization.

2222112001123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38107.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 2222112001123 its reverse (3211002112222), we get a palindrome (5433114113345).

The spelling of 2222112001123 in words is "two trillion, two hundred twenty-two billion, one hundred twelve million, one thousand, one hundred twenty-three".