11020220211001 has 2 divisors, whose sum is σ = 11020220211002. Its totient is φ = 11020220211000.

The previous prime is 11020220210963. The next prime is 11020220211047. The reversal of 11020220211001 is 10011202202011.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10999570233600 + 20649977401 = 3316560^2 + 143701^2 .

It is a cyclic number.

It is not a de Polignac number, because 11020220211001 - 2¹⁷ = 11020220079929 is a prime.

It is a super-2 number, since 2×11020220211001² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (11020220211101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5510110105500 + 5510110105501.

It is an arithmetic number, because the mean of its divisors is an integer number (5510110105501).

Almost surely, 2^{11020220211001} is an apocalyptic number.

It is an amenable number.

11020220211001 is a deficient number, since it is larger than the sum of its proper divisors (1).

11020220211001 is an equidigital number, since it uses as much as digits as its factorization.

11020220211001 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 11020220211001 its reverse (10011202202011), we get a palindrome (21031422413012).

The spelling of 11020220211001 in words is "eleven trillion, twenty billion, two hundred twenty million, two hundred eleven thousand, one".