2243104125421 has 4 divisors (see below), whose sum is σ = 2274697141344. Its totient is φ = 2211511109500.

The previous prime is 2243104125419. The next prime is 2243104125433. The reversal of 2243104125421 is 1245214013422.

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 2243104125421 - 2¹ = 2243104125419 is a prime.

It is a super-2 number, since 2×2243104125421² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2243104125401) 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, 15796507855 + ... + 15796507996.

It is an arithmetic number, because the mean of its divisors is an integer number (568674285336).

Almost surely, 2^{2243104125421} is an apocalyptic number.

It is an amenable number.

2243104125421 is a deficient number, since it is larger than the sum of its proper divisors (31593015923).

2243104125421 is an equidigital number, since it uses as much as digits as its factorization.

2243104125421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31593015922.

The product of its (nonzero) digits is 15360, while the sum is 31.

Adding to 2243104125421 its reverse (1245214013422), we get a palindrome (3488318138843).

The spelling of 2243104125421 in words is "two trillion, two hundred forty-three billion, one hundred four million, one hundred twenty-five thousand, four hundred twenty-one".