11122022021609 has 2 divisors, whose sum is σ = 11122022021610. Its totient is φ = 11122022021608.

The previous prime is 11122022021569. The next prime is 11122022021611. The reversal of 11122022021609 is 90612022022111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7944911843584 + 3177110178025 = 2818672^2 + 1782445^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11122022021609 is a prime.

It is a super-3 number, since 3×11122022021609³ (a number of 40 digits) contains 333 as substring.

Together with 11122022021611, 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 (11122022021309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5561011010804 + 5561011010805.

It is an arithmetic number, because the mean of its divisors is an integer number (5561011010805).

Almost surely, 2^{11122022021609} is an apocalyptic number.

It is an amenable number.

11122022021609 is a deficient number, since it is larger than the sum of its proper divisors (1).

11122022021609 is an equidigital number, since it uses as much as digits as its factorization.

11122022021609 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728, while the sum is 29.

The spelling of 11122022021609 in words is "eleven trillion, one hundred twenty-two billion, twenty-two million, twenty-one thousand, six hundred nine".