11220100021001 has 2 divisors, whose sum is σ = 11220100021002. Its totient is φ = 11220100021000.

The previous prime is 11220100020991. The next prime is 11220100021003. The reversal of 11220100021001 is 10012000102211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6286548275401 + 4933551745600 = 2507299^2 + 2221160^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11220100021001 is a prime.

It is a Sophie Germain prime.

Together with 11220100021003, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (11220100021003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5610050010500 + 5610050010501.

It is an arithmetic number, because the mean of its divisors is an integer number (5610050010501).

Almost surely, 2^{11220100021001} is an apocalyptic number.

It is an amenable number.

11220100021001 is a deficient number, since it is larger than the sum of its proper divisors (1).

11220100021001 is an equidigital number, since it uses as much as digits as its factorization.

11220100021001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 11220100021001 its reverse (10012000102211), we get a palindrome (21232100123212).

The spelling of 11220100021001 in words is "eleven trillion, two hundred twenty billion, one hundred million, twenty-one thousand, one".