11020011221201 has 2 divisors, whose sum is σ = 11020011221202. Its totient is φ = 11020011221200.

The previous prime is 11020011221101. The next prime is 11020011221273. The reversal of 11020011221201 is 10212211002011.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9134267067025 + 1885744154176 = 3022295^2 + 1373224^2 .

It is an emirp because it is prime and its reverse (10212211002011) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11020011221201 is a prime.

It is not a weakly prime, because it can be changed into another prime (11020011221101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5510005610600 + 5510005610601.

It is an arithmetic number, because the mean of its divisors is an integer number (5510005610601).

Almost surely, 2^{11020011221201} is an apocalyptic number.

It is an amenable number.

11020011221201 is a deficient number, since it is larger than the sum of its proper divisors (1).

11020011221201 is an equidigital number, since it uses as much as digits as its factorization.

11020011221201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 11020011221201 its reverse (10212211002011), we get a palindrome (21232222223212).

The spelling of 11020011221201 in words is "eleven trillion, twenty billion, eleven million, two hundred twenty-one thousand, two hundred one".