1011002221043 has 2 divisors, whose sum is σ = 1011002221044. Its totient is φ = 1011002221042.

The previous prime is 1011002221003. The next prime is 1011002221091. The reversal of 1011002221043 is 3401222001101.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1011002221043 - 2¹⁸ = 1011001958899 is a prime.

It is not a weakly prime, because it can be changed into another prime (1011002221003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 505501110521 + 505501110522.

It is an arithmetic number, because the mean of its divisors is an integer number (505501110522).

Almost surely, 2^{1011002221043} is an apocalyptic number.

1011002221043 is a deficient number, since it is larger than the sum of its proper divisors (1).

1011002221043 is an equidigital number, since it uses as much as digits as its factorization.

1011002221043 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 1011002221043 its reverse (3401222001101), we get a palindrome (4412224222144).

The spelling of 1011002221043 in words is "one trillion, eleven billion, two million, two hundred twenty-one thousand, forty-three".