11222012221001 has 2 divisors, whose sum is σ = 11222012221002. Its totient is φ = 11222012221000.

The previous prime is 11222012220977. The next prime is 11222012221003. The reversal of 11222012221001 is 10012221022211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7089167177401 + 4132845043600 = 2662549^2 + 2032940^2 .

It is a cyclic number.

It is not a de Polignac number, because 11222012221001 - 2³⁸ = 10947134314057 is a prime.

Together with 11222012221003, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (11222012221003) 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, 5611006110500 + 5611006110501.

It is an arithmetic number, because the mean of its divisors is an integer number (5611006110501).

Almost surely, 2^{11222012221001} is an apocalyptic number.

It is an amenable number.

11222012221001 is a deficient number, since it is larger than the sum of its proper divisors (1).

11222012221001 is an equidigital number, since it uses as much as digits as its factorization.

11222012221001 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 17.

Adding to 11222012221001 its reverse (10012221022211), we get a palindrome (21234233243212).

The spelling of 11222012221001 in words is "eleven trillion, two hundred twenty-two billion, twelve million, two hundred twenty-one thousand, one".