2201021128843 has 2 divisors, whose sum is σ = 2201021128844. Its totient is φ = 2201021128842.

The previous prime is 2201021128841. The next prime is 2201021128849. The reversal of 2201021128843 is 3488211201022.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2201021128843 - 2¹ = 2201021128841 is a prime.

It is a super-2 number, since 2×2201021128843² (a number of 25 digits) contains 22 as substring.

Together with 2201021128841, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 2201021128799 and 2201021128808.

It is not a weakly prime, because it can be changed into another prime (2201021128841) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1100510564421 + 1100510564422.

It is an arithmetic number, because the mean of its divisors is an integer number (1100510564422).

Almost surely, 2^{2201021128843} is an apocalyptic number.

2201021128843 is a deficient number, since it is larger than the sum of its proper divisors (1).

2201021128843 is an equidigital number, since it uses as much as digits as its factorization.

2201021128843 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12288, while the sum is 34.

Adding to 2201021128843 its reverse (3488211201022), we get a palindrome (5689232329865).

The spelling of 2201021128843 in words is "two trillion, two hundred one billion, twenty-one million, one hundred twenty-eight thousand, eight hundred forty-three".