1210441322421 has 24 divisors (see below), whose sum is σ = 1750785585120. Its totient is φ = 805867482336.

The previous prime is 1210441322407. The next prime is 1210441322473. The reversal of 1210441322421 is 1242231440121.

1210441322421 is a `hidden beast` number, since 1 + 2 + 1 + 0 + 4 + 413 + 2 + 242 + 1 = 666.

It is not a de Polignac number, because 1210441322421 - 2¹⁴ = 1210441306037 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1210441322491) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 25994866 + ... + 26041388.

It is an arithmetic number, because the mean of its divisors is an integer number (72949399380).

Almost surely, 2^{1210441322421} is an apocalyptic number.

It is an amenable number.

1210441322421 is a deficient number, since it is larger than the sum of its proper divisors (540344262699).

1210441322421 is a wasteful number, since it uses less digits than its factorization.

1210441322421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50385 (or 50382 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 27.

Adding to 1210441322421 its reverse (1242231440121), we get a palindrome (2452672762542).

The spelling of 1210441322421 in words is "one trillion, two hundred ten billion, four hundred forty-one million, three hundred twenty-two thousand, four hundred twenty-one".