2201322123 has 128 divisors (see below), whose sum is σ = 4438425600. Its totient is φ = 1041206400.

The previous prime is 2201322113. The next prime is 2201322139. The reversal of 2201322123 is 3212231022.

2201322123 is a `hidden beast` number, since 220 + 1 + 322 + 123 = 666.

It is not a de Polignac number, because 2201322123 - 2⁴ = 2201322107 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2201322096 and 2201322105.

It is not an unprimeable number, because it can be changed into a prime (2201322113) 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 127 ways as a sum of consecutive naturals, for example, 2134618 + ... + 2135648.

It is an arithmetic number, because the mean of its divisors is an integer number (34675200).

Almost surely, 2^2201322123 is an apocalyptic number.

2201322123 is an abundant number, since it is smaller than the sum of its proper divisors (2237103477).

2201322123 is a wasteful number, since it uses less digits than its factorization.

2201322123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1150 (or 1144 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 2201322123 is about 46918.2493599239. The cubic root of 2201322123 is about 1300.8519313240.

Adding to 2201322123 its reverse (3212231022), we get a palindrome (5413553145).

The spelling of 2201322123 in words is "two billion, two hundred one million, three hundred twenty-two thousand, one hundred twenty-three".