1210343002221 has 64 divisors (see below), whose sum is σ = 1699891771392. Its totient is φ = 765223200000.

The previous prime is 1210343002199. The next prime is 1210343002241. The reversal of 1210343002221 is 1222003430121.

It is not a de Polignac number, because 1210343002221 - 2³¹ = 1208195518573 is a prime.

It is a super-2 number, since 2×1210343002221² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1210343002241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 502007506 + ... + 502009916.

It is an arithmetic number, because the mean of its divisors is an integer number (26560808928).

Almost surely, 2^{1210343002221} is an apocalyptic number.

It is an amenable number.

1210343002221 is a deficient number, since it is larger than the sum of its proper divisors (489548769171).

1210343002221 is a wasteful number, since it uses less digits than its factorization.

1210343002221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3154.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 1210343002221 its reverse (1222003430121), we get a palindrome (2432346432342).

The spelling of 1210343002221 in words is "one trillion, two hundred ten billion, three hundred forty-three million, two thousand, two hundred twenty-one".