2125044224213 has 4 divisors (see below), whose sum is σ = 2125660361100. Its totient is φ = 2124428087328.

The previous prime is 2125044224167. The next prime is 2125044224257. The reversal of 2125044224213 is 3124224405212.

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

It can be written as a sum of positive squares in 2 ways, for example, as 7838800369 + 2117205423844 = 88537^2 + 1455062^2 .

It is a cyclic number.

It is not a de Polignac number, because 2125044224213 - 2³⁴ = 2107864355029 is a prime.

It is a super-2 number, since 2×2125044224213² (a number of 25 digits) contains 22 as substring.

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 2125044224213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2125044224113) 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, 308063270 + ... + 308070167.

It is an arithmetic number, because the mean of its divisors is an integer number (531415090275).

Almost surely, 2^{2125044224213} is an apocalyptic number.

It is an amenable number.

2125044224213 is a deficient number, since it is larger than the sum of its proper divisors (616136887).

2125044224213 is an equidigital number, since it uses as much as digits as its factorization.

2125044224213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 616136886.

The product of its (nonzero) digits is 30720, while the sum is 32.

Adding to 2125044224213 its reverse (3124224405212), we get a palindrome (5249268629425).

The spelling of 2125044224213 in words is "two trillion, one hundred twenty-five billion, forty-four million, two hundred twenty-four thousand, two hundred thirteen".