1100211228001 has 2 divisors, whose sum is σ = 1100211228002. Its totient is φ = 1100211228000.

The previous prime is 1100211227987. The next prime is 1100211228007. The reversal of 1100211228001 is 1008221120011.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1060743445776 + 39467782225 = 1029924^2 + 198665^2 .

It is a cyclic number.

It is not a de Polignac number, because 1100211228001 - 2⁷ = 1100211227873 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1100211228001.

It is not a weakly prime, because it can be changed into another prime (1100211228007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 550105614000 + 550105614001.

It is an arithmetic number, because the mean of its divisors is an integer number (550105614001).

Almost surely, 2^{1100211228001} is an apocalyptic number.

It is an amenable number.

1100211228001 is a deficient number, since it is larger than the sum of its proper divisors (1).

1100211228001 is an equidigital number, since it uses as much as digits as its factorization.

1100211228001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 1100211228001 its reverse (1008221120011), we get a palindrome (2108432348012).

The spelling of 1100211228001 in words is "one trillion, one hundred billion, two hundred eleven million, two hundred twenty-eight thousand, one".