1123221102203 has 2 divisors, whose sum is σ = 1123221102204. Its totient is φ = 1123221102202.

The previous prime is 1123221102161. The next prime is 1123221102217. The reversal of 1123221102203 is 3022011223211.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1123221102203 - 2¹² = 1123221098107 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (1123221102233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 561610551101 + 561610551102.

It is an arithmetic number, because the mean of its divisors is an integer number (561610551102).

Almost surely, 2^{1123221102203} is an apocalyptic number.

1123221102203 is a deficient number, since it is larger than the sum of its proper divisors (1).

1123221102203 is an equidigital number, since it uses as much as digits as its factorization.

1123221102203 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 1123221102203 its reverse (3022011223211), we get a palindrome (4145232325414).

The spelling of 1123221102203 in words is "one trillion, one hundred twenty-three billion, two hundred twenty-one million, one hundred two thousand, two hundred three".