1100000221043 has 2 divisors, whose sum is σ = 1100000221044. Its totient is φ = 1100000221042.

The previous prime is 1100000221009. The next prime is 1100000221129. The reversal of 1100000221043 is 3401220000011.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1100000221043 - 2²⁴ = 1099983443827 is a prime.

It is not a weakly prime, because it can be changed into another prime (1100000221343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 550000110521 + 550000110522.

It is an arithmetic number, because the mean of its divisors is an integer number (550000110522).

Almost surely, 2^{1100000221043} is an apocalyptic number.

1100000221043 is a deficient number, since it is larger than the sum of its proper divisors (1).

1100000221043 is an equidigital number, since it uses as much as digits as its factorization.

1100000221043 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 1100000221043 its reverse (3401220000011), we get a palindrome (4501220221054).

The spelling of 1100000221043 in words is "one trillion, one hundred billion, two hundred twenty-one thousand, forty-three".