1000220100043 has 2 divisors, whose sum is σ = 1000220100044. Its totient is φ = 1000220100042.

The previous prime is 1000220099999. The next prime is 1000220100079. The reversal of 1000220100043 is 3400010220001.

1000220100043 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1000220100043 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1000220099996 and 1000220100032.

It is not a weakly prime, because it can be changed into another prime (1000220100083) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 500110050021 + 500110050022.

It is an arithmetic number, because the mean of its divisors is an integer number (500110050022).

Almost surely, 2^{1000220100043} is an apocalyptic number.

1000220100043 is a deficient number, since it is larger than the sum of its proper divisors (1).

1000220100043 is an equidigital number, since it uses as much as digits as its factorization.

1000220100043 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 13.

Adding to 1000220100043 its reverse (3400010220001), we get a palindrome (4400230320044).

The spelling of 1000220100043 in words is "one trillion, two hundred twenty million, one hundred thousand, forty-three".