11220100021201 has 2 divisors, whose sum is σ = 11220100021202. Its totient is φ = 11220100021200.

The previous prime is 11220100021187. The next prime is 11220100021313. The reversal of 11220100021201 is 10212000102211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7622022161601 + 3598077859600 = 2760801^2 + 1896860^2 .

It is a cyclic number.

It is not a de Polignac number, because 11220100021201 - 2³¹ = 11217952537553 is a prime.

It is not a weakly prime, because it can be changed into another prime (11220100021001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5610050010600 + 5610050010601.

It is an arithmetic number, because the mean of its divisors is an integer number (5610050010601).

Almost surely, 2^{11220100021201} is an apocalyptic number.

It is an amenable number.

11220100021201 is a deficient number, since it is larger than the sum of its proper divisors (1).

11220100021201 is an equidigital number, since it uses as much as digits as its factorization.

11220100021201 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 13.

Adding to 11220100021201 its reverse (10212000102211), we get a palindrome (21432100123412).

The spelling of 11220100021201 in words is "eleven trillion, two hundred twenty billion, one hundred million, twenty-one thousand, two hundred one".