11021000221201 has 2 divisors, whose sum is σ = 11021000221202. Its totient is φ = 11021000221200.

The previous prime is 11021000221181. The next prime is 11021000221207. The reversal of 11021000221201 is 10212200012011.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9124320381201 + 1896679840000 = 3020649^2 + 1377200^2 .

It is a cyclic number.

It is not a de Polignac number, because 11021000221201 - 2¹⁷ = 11021000090129 is a prime.

It is not a weakly prime, because it can be changed into another prime (11021000221207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5510500110600 + 5510500110601.

It is an arithmetic number, because the mean of its divisors is an integer number (5510500110601).

Almost surely, 2^{11021000221201} is an apocalyptic number.

It is an amenable number.

11021000221201 is a deficient number, since it is larger than the sum of its proper divisors (1).

11021000221201 is an equidigital number, since it uses as much as digits as its factorization.

11021000221201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 11021000221201 its reverse (10212200012011), we get a palindrome (21233200233212).

The spelling of 11021000221201 in words is "eleven trillion, twenty-one billion, two hundred twenty-one thousand, two hundred one".