22011022022161 has 2 divisors, whose sum is σ = 22011022022162. Its totient is φ = 22011022022160.

The previous prime is 22011022022089. The next prime is 22011022022189. The reversal of 22011022022161 is 16122022011022.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 21669779116561 + 341242905600 = 4655081^2 + 584160^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22011022022161 is a prime.

It is a super-3 number, since 3×22011022022161³ (a number of 41 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (22011022022461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11005511011080 + 11005511011081.

It is an arithmetic number, because the mean of its divisors is an integer number (11005511011081).

Almost surely, 2^{22011022022161} is an apocalyptic number.

It is an amenable number.

22011022022161 is a deficient number, since it is larger than the sum of its proper divisors (1).

22011022022161 is an equidigital number, since it uses as much as digits as its factorization.

22011022022161 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 384, while the sum is 22.

Adding to 22011022022161 its reverse (16122022011022), we get a palindrome (38133044033183).

The spelling of 22011022022161 in words is "twenty-two trillion, eleven billion, twenty-two million, twenty-two thousand, one hundred sixty-one".