2210243241421 has 8 divisors (see below), whose sum is σ = 2277250395704. Its totient is φ = 2144228785920.

The previous prime is 2210243241397. The next prime is 2210243241431. The reversal of 2210243241421 is 1241423420122.

It can be written as a sum of positive squares in 4 ways, for example, as 484924213225 + 1725319028196 = 696365^2 + 1313514^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2210243241421 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 2210243241421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2210243241431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 248170176 + ... + 248179081.

It is an arithmetic number, because the mean of its divisors is an integer number (284656299463).

Almost surely, 2^{2210243241421} is an apocalyptic number.

It is an amenable number.

2210243241421 is a deficient number, since it is larger than the sum of its proper divisors (67007154283).

2210243241421 is an equidigital number, since it uses as much as digits as its factorization.

2210243241421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 496349391.

The product of its (nonzero) digits is 6144, while the sum is 28.

Adding to 2210243241421 its reverse (1241423420122), we get a palindrome (3451666661543).

The spelling of 2210243241421 in words is "two trillion, two hundred ten billion, two hundred forty-three million, two hundred forty-one thousand, four hundred twenty-one".