1100211001 has 2 divisors, whose sum is σ = 1100211002. Its totient is φ = 1100211000.

The previous prime is 1100210971. The next prime is 1100211023. The reversal of 1100211001 is 1001120011.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1004953401 + 95257600 = 31701^2 + 9760^2 .

It is a cyclic number.

It is not a de Polignac number, because 1100211001 - 2¹¹ = 1100208953 is a prime.

It is not a weakly prime, because it can be changed into another prime (1100211041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 550105500 + 550105501.

It is an arithmetic number, because the mean of its divisors is an integer number (550105501).

Almost surely, 2^1100211001 is an apocalyptic number.

It is an amenable number.

1100211001 is a deficient number, since it is larger than the sum of its proper divisors (1).

1100211001 is an equidigital number, since it uses as much as digits as its factorization.

1100211001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2, while the sum is 7.

The square root of 1100211001 is about 33169.4287107873. The cubic root of 1100211001 is about 1032.3461149143.

Adding to 1100211001 its reverse (1001120011), we get a palindrome (2101331012).

The spelling of 1100211001 in words is "one billion, one hundred million, two hundred eleven thousand, one".