22120111202069 has 2 divisors, whose sum is σ = 22120111202070. Its totient is φ = 22120111202068.

The previous prime is 22120111202051. The next prime is 22120111202143. The reversal of 22120111202069 is 96020211102122.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21362079779569 + 758031422500 = 4621913^2 + 870650^2 .

It is a cyclic number.

It is not a de Polignac number, because 22120111202069 - 2³² = 22115816234773 is a prime.

It is a super-2 number, since 2×22120111202069² (a number of 27 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22120111202039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11060055601034 + 11060055601035.

It is an arithmetic number, because the mean of its divisors is an integer number (11060055601035).

Almost surely, 2^{22120111202069} is an apocalyptic number.

It is an amenable number.

22120111202069 is a deficient number, since it is larger than the sum of its proper divisors (1).

22120111202069 is an equidigital number, since it uses as much as digits as its factorization.

22120111202069 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 22120111202069 in words is "twenty-two trillion, one hundred twenty billion, one hundred eleven million, two hundred two thousand, sixty-nine".