2123224111013 has 4 divisors (see below), whose sum is σ = 2127770629920. Its totient is φ = 2118677592108.

The previous prime is 2123224110913. The next prime is 2123224111033. The reversal of 2123224111013 is 3101114223212.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2123224111013 - 2³² = 2118929143717 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 2123224111013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2123224111033) 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, 2273258753 + ... + 2273259686.

It is an arithmetic number, because the mean of its divisors is an integer number (531942657480).

Almost surely, 2^{2123224111013} is an apocalyptic number.

It is an amenable number.

2123224111013 is a deficient number, since it is larger than the sum of its proper divisors (4546518907).

2123224111013 is an equidigital number, since it uses as much as digits as its factorization.

2123224111013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4546518906.

The product of its (nonzero) digits is 576, while the sum is 23.

Adding to 2123224111013 its reverse (3101114223212), we get a palindrome (5224338334225).

The spelling of 2123224111013 in words is "two trillion, one hundred twenty-three billion, two hundred twenty-four million, one hundred eleven thousand, thirteen".