2221102120243 has 2 divisors, whose sum is σ = 2221102120244. Its totient is φ = 2221102120242.

The previous prime is 2221102120219. The next prime is 2221102120261. The reversal of 2221102120243 is 3420212011222.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2221102120243 - 2³³ = 2212512185651 is a prime.

It is not a weakly prime, because it can be changed into another prime (2221102120043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1110551060121 + 1110551060122.

It is an arithmetic number, because the mean of its divisors is an integer number (1110551060122).

Almost surely, 2^{2221102120243} is an apocalyptic number.

2221102120243 is a deficient number, since it is larger than the sum of its proper divisors (1).

2221102120243 is an equidigital number, since it uses as much as digits as its factorization.

2221102120243 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 2221102120243 its reverse (3420212011222), we get a palindrome (5641314131465).

The spelling of 2221102120243 in words is "two trillion, two hundred twenty-one billion, one hundred two million, one hundred twenty thousand, two hundred forty-three".