2202112123 has 4 divisors (see below), whose sum is σ = 2229987040. Its totient is φ = 2174237208.

The previous prime is 2202112079. The next prime is 2202112127. The reversal of 2202112123 is 3212112022.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2202112123 - 2¹⁷ = 2201981051 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2202112097 and 2202112106.

It is not an unprimeable number, because it can be changed into a prime (2202112127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13937340 + ... + 13937497.

It is an arithmetic number, because the mean of its divisors is an integer number (557496760).

Almost surely, 2^2202112123 is an apocalyptic number.

2202112123 is a deficient number, since it is larger than the sum of its proper divisors (27874917).

2202112123 is an equidigital number, since it uses as much as digits as its factorization.

2202112123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27874916.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 2202112123 is about 46926.6675036700. The cubic root of 2202112123 is about 1301.0075272276.

Adding to 2202112123 its reverse (3212112022), we get a palindrome (5414224145).

The spelling of 2202112123 in words is "two billion, two hundred two million, one hundred twelve thousand, one hundred twenty-three".