2201123123123 has 2 divisors, whose sum is σ = 2201123123124. Its totient is φ = 2201123123122.

The previous prime is 2201123123093. The next prime is 2201123123167. The reversal of 2201123123123 is 3213213211022.

2201123123123 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2201123123123 - 2²⁶ = 2201056014259 is a prime.

It is not a weakly prime, because it can be changed into another prime (2201123123323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1100561561561 + 1100561561562.

It is an arithmetic number, because the mean of its divisors is an integer number (1100561561562).

Almost surely, 2^{2201123123123} is an apocalyptic number.

2201123123123 is a deficient number, since it is larger than the sum of its proper divisors (1).

2201123123123 is an equidigital number, since it uses as much as digits as its factorization.

2201123123123 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 2201123123123 its reverse (3213213211022), we get a palindrome (5414336334145).

The spelling of 2201123123123 in words is "two trillion, two hundred one billion, one hundred twenty-three million, one hundred twenty-three thousand, one hundred twenty-three".