2221131010243 has 2 divisors, whose sum is σ = 2221131010244. Its totient is φ = 2221131010242.

The previous prime is 2221131010229. The next prime is 2221131010249. The reversal of 2221131010243 is 3420101311222.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2221131010243 - 2⁵ = 2221131010211 is a prime.

It is a super-3 number, since 3×2221131010243³ (a number of 38 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (2221131010249) 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 as a sum of consecutive naturals, namely, 1110565505121 + 1110565505122.

It is an arithmetic number, because the mean of its divisors is an integer number (1110565505122).

Almost surely, 2^{2221131010243} is an apocalyptic number.

2221131010243 is a deficient number, since it is larger than the sum of its proper divisors (1).

2221131010243 is an equidigital number, since it uses as much as digits as its factorization.

2221131010243 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 2221131010243 its reverse (3420101311222), we get a palindrome (5641232321465).

The spelling of 2221131010243 in words is "two trillion, two hundred twenty-one billion, one hundred thirty-one million, ten thousand, two hundred forty-three".