1100033322221 has 2 divisors, whose sum is σ = 1100033322222. Its totient is φ = 1100033322220.

The previous prime is 1100033322209. The next prime is 1100033322229. The reversal of 1100033322221 is 1222233300011.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1098065068996 + 1968253225 = 1047886^2 + 44365^2 .

It is a cyclic number.

It is not a de Polignac number, because 1100033322221 - 2¹⁰ = 1100033321197 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1100033322193 and 1100033322202.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1100033322229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 550016661110 + 550016661111.

It is an arithmetic number, because the mean of its divisors is an integer number (550016661111).

Almost surely, 2^{1100033322221} is an apocalyptic number.

It is an amenable number.

1100033322221 is a deficient number, since it is larger than the sum of its proper divisors (1).

1100033322221 is an equidigital number, since it uses as much as digits as its factorization.

1100033322221 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 1100033322221 its reverse (1222233300011), we get a palindrome (2322266622232).

The spelling of 1100033322221 in words is "one trillion, one hundred billion, thirty-three million, three hundred twenty-two thousand, two hundred twenty-one".