1011002243 has 2 divisors, whose sum is σ = 1011002244. Its totient is φ = 1011002242.

The previous prime is 1011002173. The next prime is 1011002261. The reversal of 1011002243 is 3422001101.

It is a strong prime.

It is an emirp because it is prime and its reverse (3422001101) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1011002243 - 2⁸ = 1011001987 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (1011002543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 505501121 + 505501122.

It is an arithmetic number, because the mean of its divisors is an integer number (505501122).

Almost surely, 2^1011002243 is an apocalyptic number.

1011002243 is a deficient number, since it is larger than the sum of its proper divisors (1).

1011002243 is an equidigital number, since it uses as much as digits as its factorization.

1011002243 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.

The square root of 1011002243 is about 31796.2614626311. The cubic root of 1011002243 is about 1003.6540460180.

Adding to 1011002243 its reverse (3422001101), we get a palindrome (4433003344).

The spelling of 1011002243 in words is "one billion, eleven million, two thousand, two hundred forty-three".