11022220212001 has 2 divisors, whose sum is σ = 11022220212002. Its totient is φ = 11022220212000.

The previous prime is 11022220211999. The next prime is 11022220212007. The reversal of 11022220212001 is 10021202222011.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10900034310400 + 122185901601 = 3301520^2 + 349551^2 .

It is an emirp because it is prime and its reverse (10021202222011) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11022220212001 - 2¹ = 11022220211999 is a prime.

Together with 11022220211999, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (11022220212007) 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, 5511110106000 + 5511110106001.

It is an arithmetic number, because the mean of its divisors is an integer number (5511110106001).

Almost surely, 2^{11022220212001} is an apocalyptic number.

It is an amenable number.

11022220212001 is a deficient number, since it is larger than the sum of its proper divisors (1).

11022220212001 is an equidigital number, since it uses as much as digits as its factorization.

11022220212001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 11022220212001 its reverse (10021202222011), we get a palindrome (21043422434012).

The spelling of 11022220212001 in words is "eleven trillion, twenty-two billion, two hundred twenty million, two hundred twelve thousand, one".