13022100213123 has 4 divisors (see below), whose sum is σ = 17362800284168. Its totient is φ = 8681400142080.

The previous prime is 13022100213061. The next prime is 13022100213137. The reversal of 13022100213123 is 32131200122031.

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

It is not a de Polignac number, because 13022100213123 - 2¹³ = 13022100204931 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13022100213123.

It is not an unprimeable number, because it can be changed into a prime (13022100213173) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2170350035518 + ... + 2170350035523.

It is an arithmetic number, because the mean of its divisors is an integer number (4340700071042).

Almost surely, 2^{13022100213123} is an apocalyptic number.

13022100213123 is a deficient number, since it is larger than the sum of its proper divisors (4340700071045).

13022100213123 is an equidigital number, since it uses as much as digits as its factorization.

13022100213123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4340700071044.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 13022100213123 its reverse (32131200122031), we get a palindrome (45153300335154).

The spelling of 13022100213123 in words is "thirteen trillion, twenty-two billion, one hundred million, two hundred thirteen thousand, one hundred twenty-three".